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).

  • Patent number: 9835600
    Abstract: 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: Grant
    Filed: January 21, 2014
    Date of Patent: December 5, 2017
    Assignee: EPPENDORF AG
    Inventors: Heinz-Gerhard Köhn, Karl-Friedrich Andres
  • Patent number: 9403163
    Abstract: 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: Grant
    Filed: March 20, 2013
    Date of Patent: August 2, 2016
    Assignee: EPPENDORF AG
    Inventors: Karl-Friedrich Andres, Janine Jacobi, Peter Molitor, Peter Schmidt
  • Publication number: 20140134076
    Abstract: 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: Application
    Filed: January 21, 2014
    Publication date: May 15, 2014
    Applicant: EPPENDORF AG
    Inventors: Heinz-Gerhard Köhn, Karl-Friedrich Andres
  • Patent number: 8661920
    Abstract: 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: Grant
    Filed: September 22, 2010
    Date of Patent: March 4, 2014
    Assignee: Eppendorf AG
    Inventors: Peter Molitor, Karl-Friedrich Andres, Steffen Hofmann, Heinz-Gerhard Köhn
  • Patent number: 8632735
    Abstract: 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: Grant
    Filed: January 18, 2007
    Date of Patent: January 21, 2014
    Assignee: Eppendorf AG
    Inventors: Heinz-Gerhard Kohn, Karl-Friedrich Andres
  • Publication number: 20130288382
    Abstract: 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: Application
    Filed: March 20, 2013
    Publication date: October 31, 2013
    Inventors: Karl-Friedrich ANDRES, Janine JACOBI, Peter MOLITOR, Peter SCHMIDT
  • Patent number: 8570029
    Abstract: 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: Grant
    Filed: October 28, 2010
    Date of Patent: October 29, 2013
    Assignee: Eppendorf AG
    Inventors: Karl-Friedrich Andres, Peter Molitor, Peter Schmidt
  • Patent number: 8028592
    Abstract: 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: Grant
    Filed: August 3, 2007
    Date of Patent: October 4, 2011
    Assignee: Eppendorf AG
    Inventors: Peter Molitor, Karl-Friedrich Andres, Peter Schmidt
  • Publication number: 20110181272
    Abstract: 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: Application
    Filed: October 28, 2010
    Publication date: July 28, 2011
    Applicant: EPPENDORF AG
    Inventors: Karl-Friedrich Andres, Peter Molitor, Peter Schmidt
  • Publication number: 20110072915
    Abstract: 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: Application
    Filed: September 22, 2010
    Publication date: March 31, 2011
    Applicant: EPPENDORF AG
    Inventors: Peter Molitor, Karl Friedrich Andres, Steffen Hofmann, Heinz-Gerhard Kohn
  • Publication number: 20110033349
    Abstract: 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: Application
    Filed: September 8, 2008
    Publication date: February 10, 2011
    Inventors: Peter Schmidt, Karl-Friedrich Andres, Peter Molitor
  • Patent number: 7694592
    Abstract: 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: Grant
    Filed: June 5, 2007
    Date of Patent: April 13, 2010
    Assignee: Eppendorf AG
    Inventors: Peter Molitor, Karl-Friedrich Andres, Peter Schmidt
  • Publication number: 20080034898
    Abstract: 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: Application
    Filed: August 3, 2007
    Publication date: February 14, 2008
    Applicant: Eppendorf AG
    Inventors: Peter Molitor, Karl-Friedrich Andres, Peter Schmidt
  • Publication number: 20080011042
    Abstract: 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: Application
    Filed: June 5, 2007
    Publication date: January 17, 2008
    Applicant: Eppendorf AG
    Inventors: Peter Molitor, Karl-Friedrich Andres, Peter Schmidt
  • Publication number: 20070203457
    Abstract: 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: Application
    Filed: January 18, 2007
    Publication date: August 30, 2007
    Applicant: Eppendorf AG
    Inventors: Heinz-Gerhard Kohn, Karl-Friedrich Andres