Patents by Inventor Herbert Belgardt
Herbert Belgardt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10906034Abstract: A method for dosing a liquid using a pipette with adjustable dosing step size and an indicating equipment and a syringe that can be operated using the pipette, wherein the syringe is detachably connected to the pipette, at option, the dosing step size is set, or the dosing step size set before is maintained, the dosing volume adjusted via the dosing step size is indicated by means of the indicating equipment, the maximum number of dosing steps possible without refilling the syringe, with the set dosing step size and completely filled syringe is indicated by means of the indicating equipment, liquid is aspirated into the syringe, a reverse stroke is performed after the syringe is filled with liquid, dosing steps are performed, the performed dosing steps are counted and the number of performed dosing steps and/or the number of dosing steps still possible without refilling the syringe is determined and indicated by means of the indicating equipment, after performing the maximum number of dosing steps possible wiType: GrantFiled: February 15, 2016Date of Patent: February 2, 2021Assignee: Eppendorf AGInventors: Herbert Belgardt, Peter Molitor, Burkhardt Reichmuth
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Patent number: 10717077Abstract: The invention relates to a pipetting device, more particularly a pipette or repeater pipette, for pipetting fluid laboratory samples, comprising: an electric control apparatus, by means of which a pipetting process is electrically controllable, a movable part, by means of the movement of which the fluid sample is pipettable, an electrically actuatable motor apparatus, by means of which the movement of the movable part is driveable depending on at least one first speed value defining the speed of the movable part, a measuring apparatus, by means of which at least one measured value which is influenced by the drag caused when pipetting the fluid sample is measurable, wherein the electric control apparatus is configured for the purposes of the at least one first speed value being fixable by the electric control apparatus, depending on at least one measured value. The invention furthermore relates to a method for operating the pipetting device.Type: GrantFiled: December 3, 2015Date of Patent: July 21, 2020Inventors: Burkhardt Reichmuth, Herbert Belgardt, Steffen Hofmann
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Publication number: 20170341072Abstract: The invention relates to a pipetting device, more particularly a pipette or repeater pipette, for pipetting fluid laboratory samples, comprising: an electric control apparatus, by means of which a pipetting process is electrically controllable, a movable part, by means of the movement of which the fluid sample is pipettable, an electrically actuatable motor apparatus, by means of which the movement of the movable part is driveable depending on at least one first speed value defining the speed of the movable part, a measuring apparatus, by means of which at least one measured value which is influenced by the drag caused when pipetting the fluid sample is measurable, wherein the electric control apparatus is configured for the purposes of the at least one first speed value being fixable by the electric control apparatus, depending on at least one measured value. The invention furthermore relates to a method for operating the pipetting device.Type: ApplicationFiled: December 3, 2015Publication date: November 30, 2017Inventors: Burkhardt REICHMUTH, Herbert BELGARDT, Stefen HOFMANN
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Patent number: 9579645Abstract: The invention relates to a fluid transfer apparatus, in particular pipetting apparatus, for transferring at least one fluid laboratory sample, in particular a biochemical or medical laboratory sample, comprising a base body, which has a connecting section serving for connecting a container to the base body for the intake of the at least one fluid sample into the container, a movement device, which can bring about the intake and/or delivery of at least one fluid laboratory sample into the container, an electrical control device, which controls at least one function of the fluid transfer apparatus, a sensor device, which comprises at least one acceleration sensor which is signal-connected to the control device and by means of which at least one acceleration value can be measured during the movement of the fluid transfer apparatus, wherein the control device is designed such that it uses the at least one acceleration value during the control of the at least one function.Type: GrantFiled: November 6, 2012Date of Patent: February 28, 2017Assignee: Eppendorf AGInventors: Burkhardt Reichmuth, Herbert Belgardt, Stefen Hofmann, Mike Queck
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Patent number: 9579644Abstract: Pipette for operating a syringe with a bar-shaped housing, a fixture with an opening at the lower end of the housing for putting in a syringe with a fastening portion on the upper edge of a cylinder, a fixture body with a further fixture and a further opening on the lower end of the housing, for putting in a further fastening portion of a piston of the syringe, means for detachably holding the fastening portion in the fixture and the further fastening portion in the further fixture, means for displacing the fixture body within the housing in the longitudinal direction of the housing, which have a draw-up lever activated from the outside of the housing, which is connected to the fixture body via a connection element which grips through a straight slit extending in the longitudinal direction of the housing, wherein below the slit in the housing, a cover stripe covering the slit is held in the housing at two positions spaced apart from each other in the longitudinal direction of the slit, and wherein the connectType: GrantFiled: April 22, 2013Date of Patent: February 28, 2017Assignee: Eppendorf AGInventors: Herbert Belgardt, Jörg Sattler, Burkhardt Reichmuth, Winfried Schmidt
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Publication number: 20160158742Abstract: A method for dosing a liquid using a pipette with adjustable dosing step size and an indicating equipment and a syringe that can be operated using the pipette, wherein the syringe is detachably connected to the pipette, at option, the dosing step size is set, or the dosing step size set before is maintained, the dosing volume adjusted via the dosing step size is indicated by means of the indicating equipment, the maximum number of dosing steps possible without refilling the syringe, with the set dosing step size and completely filled syringe is indicated by means of the indicating equipment, liquid is aspirated into the syringe, a reverse stroke is performed after the syringe is filled with liquid, dosing steps are performed, the performed dosing steps are counted and the number of performed dosing steps and/or the number of dosing steps still possible without refilling the syringe is determined and indicated by means of the indicating equipment, after performing the maximum number of dosing steps possible wiType: ApplicationFiled: February 15, 2016Publication date: June 9, 2016Applicant: Eppendorf AGInventors: Herbert Belgardt, Peter Molitor, Burkhardt Reichmuth
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Patent number: 9289762Abstract: A method for dosing a liquid using a pipette with adjustable dosing step size and an indicating equipment and a syringe that can be operated using the pipette. The syringe is detachably connected to the pipette. The dosing step size is set, or the dosing step size set before is maintained. The dosing volume adjusted via the dosing step size is indicated. Liquid is aspirated into the syringe. Dosing steps are performed, counted and the number of performed dosing steps and/or the number of dosing steps still possible without refilling the syringe is determined and indicated. After performing the maximum number of dosing steps possible without refilling the syringe, either the syringe is detached, or the steps are performed again. The overall performed number of dosing steps with the set dosing step size is counted, and/or the number of dosing steps still possible without refilling is determined and indicated.Type: GrantFiled: April 22, 2013Date of Patent: March 22, 2016Assignee: Eppendorf AGInventors: Herbert Belgardt, Peter Molitor, Burkhardt Reichmuth
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Publication number: 20140308750Abstract: The invention relates to a fluid transfer apparatus, in particular pipetting apparatus, for transferring at least one fluid laboratory sample, in particular a biochemical or medical laboratory sample, comprising a base body, which has a connecting section serving for connecting a container to the base body for the intake of the at least one fluid sample into the container, a movement device, which can bring about the intake and/or delivery of at least one fluid laboratory sample into the container, an electrical control device, which controls at least one function of the fluid transfer apparatus, a sensor device, which comprises at least one acceleration sensor which is signal-connected to the control device and by means of which at least one acceleration value can be measured during the movement of the fluid transfer apparatus, wherein the control device is designed such that it uses the at least one acceleration value during the control of the at least one function.Type: ApplicationFiled: November 6, 2012Publication date: October 16, 2014Applicant: Eppendorf AGInventors: Burkhardt Reichmuth, Herbert Belgardt, Stefen Hofmann, Mike Queck
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Publication number: 20140010731Abstract: A method for dosing a liquid using a pipette with adjustable dosing step size and an indicating equipment and a syringe that can be operated using the pipette. The syringe is detachably connected to the pipette. The dosing step size is set, or the dosing step size set before is maintained. The dosing volume adjusted via the dosing step size is indicated. Liquid is aspirated into the syringe. Dosing steps are performed, counted and the number of performed dosing steps and/or the number of dosing steps still possible without refilling the syringe is determined and indicated. After performing the maximum number of dosing steps possible without refilling the syringe, either the syringe is detached, or the steps are performed again. The overall performed number of dosing steps with the set dosing step size is counted, and/or the number of dosing steps still possible without refilling is determined and indicated.Type: ApplicationFiled: April 22, 2013Publication date: January 9, 2014Inventors: Herbert Belgardt, Peter Molitor, Burkhardt Reichmuth
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Publication number: 20140010732Abstract: A pipette for actuating a syringe, with a bar-shaped housing, a first fixture with a first opening at the lower end of the housing for putting in a first fastening portion on the upper edge of a cylinder of the syringe, a fixture body with a second fixture and a second opening on the lower end of the housing, for putting in a second fastening portion on a piston of the syringe, an actuating element, a tooth bar connected to the fixture with a tooth in the housing, a pawl, pivotally mounted on the actuating element in the housing, an adjusting element for adjusting the step size of the steps, a covering, movably arranged on the tooth bar at the side of the pawl, and a coupling element arranged on the covering.Type: ApplicationFiled: June 17, 2013Publication date: January 9, 2014Applicant: Eppendorf AGInventors: Herbert Belgardt, Peter Molitor, Burkhardt Reichmuth, Jörg Sattler, Jens Wilmer
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Publication number: 20130319139Abstract: Pipette for operating a syringe with a bar-shaped housing, a fixture with an opening at the lower end of the housing for putting in a syringe with a fastening portion on the upper edge of a cylinder, a fixture body with a further fixture and a further opening on the lower end of the housing, for putting in a further fastening portion of a piston of the syringe, means for detachably holding the fastening portion in the fixture and the further fastening portion in the further fixture, means for displacing the fixture body within the housing in the longitudinal direction of the housing, which have a draw-up lever activated from the outside of the housing, which is connected to the fixture body via a connection element which grips through a straight slit extending in the longitudinal direction of the housing, wherein below the slit in the housing, a cover stripe covering the slit is held in the housing at two positions spaced apart from each other in the longitudinal direction of the slit, and wherein the connectType: ApplicationFiled: April 22, 2013Publication date: December 5, 2013Applicant: Eppendorf AGInventors: Herbert Belgardt, Jörg Sattler, Burkhardt Reichmuth, Winfried Schmidt
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Patent number: 8408079Abstract: A pipette with a pipette housing, in which are arranged an accommodation for the fastening portion of a syringe cylinder of a syringe, a plunger accommodation in an accommodation body for a syringe plunger of the syringe, fastening devices for reversibly fixing the fastening portion and the syringe plunger in the accommodations, and plunger setting devices for shifting the accommodation body in the pipette housing, with a pull-up member for removing the accommodation body from the accommodation, and an actuation member for drawing the accommodation body near to the accommodation.Type: GrantFiled: September 5, 2008Date of Patent: April 2, 2013Assignee: Eppendorf AGInventors: Burkhardt Reichmuth, Herbert Belgardt, Klaus Schuerbrock
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Patent number: 7608221Abstract: Multi-channel metering device with displacement devices for displacing a plurality of air columns, a plurality of holders which comprise a shank for releasable connection to a pipette tip, a connector and a connecting channel extending from the free end of the shank to the connector, flexible pipes which connect the displacement devices to the connectors, a guide on which the holders may be displaced with shanks aligned parallel to one another and perpendicular to the guide, abutment surfaces on the faces of the holders facing one another, pins projecting from the holders, oriented perpendicular to the guide and the shanks, round chain links arranged on the pins of adjacent holders, a free space existing between the pins and the rounded portions of the round chain links when the abutment surfaces of the adjacent holders bear against one another, and a drive device which engages at least one of the two outer holders and by means of which the holders may be pushed apart and pushed together along the guide.Type: GrantFiled: June 20, 2006Date of Patent: October 27, 2009Assignee: Eppendorf AGInventors: Herbert Belgardt, Jens Wilmer, Holger Link
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Publication number: 20090139351Abstract: A pipette with a pipette housing, in which are arranged an accommodation for the fastening portion of a syringe cylinder of a syringe, a plunger accommodation in an accommodation body for a syringe plunger of the syringe, fastening devices for reversibly fixing the fastening portion and the syringe plunger in the accommodations, and plunger setting devices for shifting the accommodation body in the pipette housing, with a pull-up member for removing the accommodation body from the accommodation, and an actuation member for drawing the accommodation body near to the accommodation.Type: ApplicationFiled: September 5, 2008Publication date: June 4, 2009Applicant: EPPENDORF AGInventors: Burkhardt Reichmuth, Herbert Belgardt, Klaus Schuerbrock
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Patent number: 7434484Abstract: Pipetting device with a base body, at least one attachment protruding from the base body mounted axially movably on the base body for mounting a pipette tip, a spring via which the attachment is supported on the base, a stop associated with the attachment, beyond which the attachment protrudes axially, when it is not loaded toward the spring and a throw-off device to release the pipette tip from the attachment which comprises a throw-off device associated with the attachment, the attachment and throw-off device being movable relative to one another and which comprises a drive device cooperating with the throw-off device and/or the attachment for the relative movement of the throw-off device and attachment.Type: GrantFiled: January 20, 2005Date of Patent: October 14, 2008Assignee: Eppendorf AGInventor: Herbert Belgardt
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Patent number: 7421913Abstract: Pipette having an axially relocatable control button, a pressure sensor, which is integrated into the control button, a lifting rod, coupled with the control button and having a stopping bead, a hollow driving spindle, accommodating the lifting rod and being axially relocatable, a twisting lock, preventing the driving spindle from being twisted, a turnable driving nut having screw thread engagement with the driving spindle, an axial support of the driving nut, an electric driving motor with a motor shaft, a gear between the motor shaft and the driving nut, an electric power supply, an electric control system, connected to the pressure sensor, the electric driving motor and the electric power supply, which provides an electric voltage to the electric driving motor upon a push on the control button which is indicated by the pressure sensor, so that the motor relocates the driving spindle via the gear in the direction of a relocation of the control button by the push, the driving spindle taking the lifting rod aType: GrantFiled: April 21, 2005Date of Patent: September 9, 2008Assignee: Eppendorf AGInventors: Herbert Belgardt, Peter Molitor, Bernd Jagdhuber
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Patent number: 7320260Abstract: Pipetting device with a displacement device with a displacement chamber with a displaceable limiter, a attachment for connecting to a pipette tip and a connecting channel between the displacement chamber and the free end of the attachment, a drive device for driving the displaceable limiter of the displacement device with a drive member, which has a releasable cooperation with the displaceable limiter, and a bayonet connection between the drive device and the displacement device which can be established by creating the cooperation between the drive member and the displaceable limiter and can be released by releasing the cooperation between the drive member and the displaceable limiter.Type: GrantFiled: January 20, 2005Date of Patent: January 22, 2008Assignee: Eppendorf AGInventor: Herbert Belgardt
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Publication number: 20070003445Abstract: Multi-channel metering device with displacement devices for displacing a plurality of air columns, a plurality of holders which comprise a shank for releasable connection to a pipette tip, a connector and a connecting channel extending from the free end of the shank to the connector, flexible pipes which connect the displacement devices to the connectors, a guide on which the holders may be displaced with shanks aligned parallel to one another and perpendicular to the guide, abutment surfaces on the faces of the holders facing one another, pins projecting from the holders, oriented perpendicular to the guide and the shanks, round chain links arranged on the pins of adjacent holders, a free space existing between the pins and the rounded portions of the round chain links when the abutment surfaces of the adjacent holders bear against one another, and a drive device which engages at least one of the two outer holders and by means of which the holders may be pushed apart and pushed together along the guide.Type: ApplicationFiled: June 20, 2006Publication date: January 4, 2007Applicant: Eppendorf AGInventors: Herbert Belgardt, Jens Wilmer, Holger Link
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Publication number: 20050247141Abstract: Pipette having an axially relocatable control button, a pressure sensor, which is integrated into the control button, a lifting rod, coupled with the control button and having a stopping bead, a hollow driving spindle, accommodating the lifting rod and being axially relocatable, a twisting lock, preventing the driving spindle from being twisted, a turnable driving nut having screw thread engagement with the driving spindle, an axial support of the driving nut, an electric driving motor with a motor shaft, a gear between the motor shaft and the driving nut, an electric power supply, an electric control system, connected to the pressure sensor, the electric driving motor and the electric power supply, which provides an electric voltage to the electric driving motor upon a push on the control button which is indicated by the pressure sensor, so that the motor relocates the driving spindle via the gear in the direction of a relocation of the control button by the push, the driving spindle taking the lifting rod aType: ApplicationFiled: April 21, 2005Publication date: November 10, 2005Inventors: Herbert Belgardt, Peter Molitor, Bernd Jagdhuber
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Publication number: 20050155439Abstract: Pipetting device with a base body, at least one attachment protruding from the base body mounted axially movably on the base body for mounting a pipette tip, a spring via which the attachment is supported on the base, a stop associated with the attachment, beyond which the attachment protrudes axially, when it is not loaded toward the spring and a throw-off device to release the pipette tip from the attachment which comprises a throw-off device associated with the attachment, the attachment and throw-off device being movable relative to one another and which comprises a drive device cooperating with the throw-off device and/or the attachment for the relative movement of the throw-off device and attachment.Type: ApplicationFiled: January 20, 2005Publication date: July 21, 2005Inventor: Herbert Belgardt