Patents by Inventor Karl-Friedrich Andres
Karl-Friedrich Andres 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: 9835600Abstract: A system for titrating liquids, with a syringe or tip, comprising a holding device and at least one tag and a metering equipment, comprising an additional holding device for holding the syringe or tip on the holding device, a reading device for reading the tag of the syringe or tip held by the additional holding device, a driving device having a motor, which is detachably coupled with a plunger of the syringe when the same is held by the additional holding device, or which is coupled with a plunger which is arranged in a cylinder which is coupled with the tip via a fluid conduit, when the same is held by the additional holding device, an operating device for operating the metering equipment and a control device, connected with the operating device, the reading device and the driving device, which controls the movement of the plunger depending of the tag of the inserted syringe or tip.Type: GrantFiled: January 21, 2014Date of Patent: December 5, 2017Assignee: EPPENDORF AGInventors: Heinz-Gerhard Köhn, Karl-Friedrich Andres
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Patent number: 9403163Abstract: The invention relates to a pipetting apparatus, for pipetting a fluid sample in accordance with at least one mode of operation of the pipetting apparatus, which is controlled by an operating parameter set, which is associated with a corresponding mode of operation, wherein the electric control device of the pipetting apparatus is designed to automatically store the at least one parameter value set determined by the user to be the at least one historic parameter value set for this mode of operation in the memory device, and is designed to provide, after the operating parameter set for this mode of operation has changed, the at least one automatically stored historic parameter value set for this mode of operation again for the subsequent control of the at least one, same, pipetting process. The invention also relates to a method for operating the pipetting apparatus.Type: GrantFiled: March 20, 2013Date of Patent: August 2, 2016Assignee: EPPENDORF AGInventors: Karl-Friedrich Andres, Janine Jacobi, Peter Molitor, Peter Schmidt
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Publication number: 20140134076Abstract: A system for titrating liquids, with a syringe or tip, comprising a holding device and at least one tag and a metering equipment, comprising an additional holding device for holding the syringe or tip on the holding device, a reading device for reading the tag of the syringe or tip held by the additional holding device, a driving device having a motor, which is detachably coupled with a plunger of the syringe when the same is held by the additional holding device, or which is coupled with a plunger which is arranged in a cylinder which is coupled with the tip via a fluid conduit, when the same is held by the additional holding device, an operating device for operating the metering equipment and a control device, connected with the operating device, the reading device and the driving device, which controls the movement of the plunger depending of the tag of the inserted syringe or tip.Type: ApplicationFiled: January 21, 2014Publication date: May 15, 2014Applicant: EPPENDORF AGInventors: Heinz-Gerhard Köhn, Karl-Friedrich Andres
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Patent number: 8661920Abstract: A handheld pipetting apparatus for metering liquids, with a handleable pipette housing, at least one accommodation for a fastening portion of a syringe cylinder of a syringe, at least one plunger accommodation in an accommodation body for a plunger fastening portion of a syringe plunger of the syringe, syringe and plunger gripping levers for detachably holding the fastening portion in the accommodation and the plunger fastening portion in the plunger accommodation, at least one displacement device with a displacement chamber and a shiftable chamber wall limiting the same, for displacing a fluid; at least one seat for detachably holding a pipette point, a channel, connecting a hole in the seat with a displacement chamber, and at least one drive device, which is connected to couplable with the accommodation body the and/or the chamber wall, for shifting the accommodation body with respect to the accommodation, the and/or the chamber wall with respect to the displacement chamber.Type: GrantFiled: September 22, 2010Date of Patent: March 4, 2014Assignee: Eppendorf AGInventors: Peter Molitor, Karl-Friedrich Andres, Steffen Hofmann, Heinz-Gerhard Köhn
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Patent number: 8632735Abstract: A system for titrating liquids, with a syringe or tip, comprising a holding device and at least one tag and a metering equipment, comprising an additional holding device for holding the syringe or tip on the holding device, a reading device for reading the tag of the syringe or tip held by the additional holding device, a driving device having a motor, which is detachably coupled with a plunger of the syringe when the same is held by the additional holding device, or which is coupled with a plunger which is arranged in a cylinder which is coupled with the tip via a fluid conduit, when the same is held by the additional holding device, an operating device for operating the metering equipment and a control device, connected with the operating device, the reading device and the driving device, which controls the movement of the plunger depending of the tag of the inserted syringe or tip.Type: GrantFiled: January 18, 2007Date of Patent: January 21, 2014Assignee: Eppendorf AGInventors: Heinz-Gerhard Kohn, Karl-Friedrich Andres
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Publication number: 20130288382Abstract: The invention relates to a pipetting apparatus, for pipetting a fluid sample in accordance with at least one mode of operation of the pipetting apparatus, which is controlled by an operating parameter set, which is associated with a corresponding mode of operation, wherein the electric control device of the pipetting apparatus is designed to automatically store the at least one parameter value set determined by the user to be the at least one historic parameter value set for this mode of operation in the memory device, and is designed to provide, after the operating parameter set for this mode of operation has changed, the at least one automatically stored historic parameter value set for this mode of operation again for the subsequent control of the at least one, same, pipetting process. The invention also relates to a method for operating the pipetting apparatus.Type: ApplicationFiled: March 20, 2013Publication date: October 31, 2013Inventors: Karl-Friedrich ANDRES, Janine JACOBI, Peter MOLITOR, Peter SCHMIDT
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Patent number: 8570029Abstract: A metering apparatus for liquids and a method for metering liquids which facilitate the operation of a further metering after detaching the pipette point or syringe.Type: GrantFiled: October 28, 2010Date of Patent: October 29, 2013Assignee: Eppendorf AGInventors: Karl-Friedrich Andres, Peter Molitor, Peter Schmidt
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Patent number: 8028592Abstract: An electronic metering apparatus for metering liquids, with a longitudinal, handleable housing, a drive, arranged in the housing, with an electric motor, at least one displacer device, arranged in the housing or being capable to be arranged on the same, with a displacer element, which is connected to the drive and/or connectable to the same, at least one holding device on the bottom end of the housing for holding a pipette point or a syringe, at least one electric operational control in or on the housing, at least one electric information device in or on the housing, an electric control unit arranged in the housing, which is connected to the electric motor, the electric operational control and the electric information device, and which controls the information device depending on the position and/or previous changes of the position of the displacer element, in order to put out an information concerning the next reasonable dislocation of the displacer element, and an electric power supply.Type: GrantFiled: August 3, 2007Date of Patent: October 4, 2011Assignee: Eppendorf AGInventors: Peter Molitor, Karl-Friedrich Andres, Peter Schmidt
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Publication number: 20110181272Abstract: A metering apparatus for liquids and a method for metering liquids which facilitate the operation of a further metering after detaching the pipette point or syringeType: ApplicationFiled: October 28, 2010Publication date: July 28, 2011Applicant: EPPENDORF AGInventors: Karl-Friedrich Andres, Peter Molitor, Peter Schmidt
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Publication number: 20110072915Abstract: A handheld pipetting apparatus for metering liquids, with a handleable pipette housing, at least one accommodation for a fastening portion of a syringe cylinder of a syringe, at least one plunger accommodation in an accommodation body for a plunger fastening portion of a syringe plunger of the syringe, fastening means for detachably holding the fastening portion in the accommodation and the plunger fastening portion in the plunger accommodation, at least one displacement device with a displacement chamber and a shiftable chamber wall limiting the same, for displacing a fluid; at least one seat for detachably holding a pipette point, a channel, connecting a hole in the seat with a displacement chamber, and at least one drive device, which is connected to and/or couplable with the accommodation body and/or the chamber wall, for shifting the accommodation body with respect to the accommodation, and/or the chamber wall with respect to the displacement chamber.Type: ApplicationFiled: September 22, 2010Publication date: March 31, 2011Applicant: EPPENDORF AGInventors: Peter Molitor, Karl Friedrich Andres, Steffen Hofmann, Heinz-Gerhard Kohn
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Publication number: 20110033349Abstract: According to the invention, a pipette or a dispenser (10) with a piston indicator (6) is characterized in that a display (2) shows the piston position (20).Type: ApplicationFiled: September 8, 2008Publication date: February 10, 2011Inventors: Peter Schmidt, Karl-Friedrich Andres, Peter Molitor
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Patent number: 7694592Abstract: An electronic metering apparatus for metering liquids with a drive, at least one displacer device with a displacer chamber and a displacer element arranged therein, which is connected to the drive, at least one holding device for a pipette point, which has a passage channel which is connected with the displacer chamber, a data memory with memory locations for different calibration data concerning different pipette points and/or different liquids and/or different usage conditions, an electric selection device for selecting calibration data, an electric control unit, which is connected to the electric selection device, the data memory, and to the electric drive motor of the drive and/or an electric display device, and which controls the movement of the displacer element by means of the electric motor and/or the display of the metering volume through the display device with recourse to the calibration data from the data memory, selected with the aid of the selection device, and an electric power supply.Type: GrantFiled: June 5, 2007Date of Patent: April 13, 2010Assignee: Eppendorf AGInventors: Peter Molitor, Karl-Friedrich Andres, Peter Schmidt
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Publication number: 20080034898Abstract: An electronic metering apparatus for metering liquids, with a longitudinal, handleable housing, a drive, arranged in the housing, with an electric motor, at least one displacer device, arranged in the housing or being capable to be arranged on the same, with a displacer element, which is connected to the drive and/or connectable to the same, at least one holding device on the bottom end of the housing for holding a pipette point or a syringe, at least one electric operational control in or on the housing, at least one electric information device in or on the housing, an electric control unit arranged in the housing, which is connected to the electric motor, the electric operational control and the electric information device, and which controls the information device depending on the position and/or previous changes of the position of the displacer element, in order to put out an information concerning the next reasonable dislocation of the displacer element, and an electric power supply.Type: ApplicationFiled: August 3, 2007Publication date: February 14, 2008Applicant: Eppendorf AGInventors: Peter Molitor, Karl-Friedrich Andres, Peter Schmidt
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Publication number: 20080011042Abstract: An electronic metering apparatus for metering liquids with a drive, at least one displacer device with a displacer chamber and a displacer element arranged therein, which is connected to the drive, at least one holding device for a pipette point, which has a passage channel which is connected with the displacer chamber, a data memory with memory locations for different calibration data concerning different pipette points and/or different liquids and/or different usage conditions, an electric selection device for selecting calibration data, an electric control unit, which is connected to the electric selection device, the data memory, and to the electric drive motor of the drive and/or an electric display device, and which controls the movement of the displacer element by means of the electric motor and/or the display of the metering volume through the display device with recourse to the calibration data from the data memory, selected with the aid of the selection device, and an electric power supply.Type: ApplicationFiled: June 5, 2007Publication date: January 17, 2008Applicant: Eppendorf AGInventors: Peter Molitor, Karl-Friedrich Andres, Peter Schmidt
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Publication number: 20070203457Abstract: A system for titrating liquids, with a syringe or tip, comprising a holding device and at least one tag and a metering equipment, comprising an additional holding device for holding the syringe or tip on the holding device, a reading device for reading the tag of the syringe or tip held by the additional holding device, a driving device having a motor, which is detachably coupled with a plunger of the syringe when the same is held by the additional holding device, or which is coupled with a plunger which is arranged in a cylinder which is coupled with the tip via a fluid conduit, when the same is held by the additional holding device, an operating device for operating the metering equipment and a control device, connected with the operating device, the reading device and the driving device, which controls the movement of the plunger depending of the tag of the inserted syringe or tip.Type: ApplicationFiled: January 18, 2007Publication date: August 30, 2007Applicant: Eppendorf AGInventors: Heinz-Gerhard Kohn, Karl-Friedrich Andres