Patents by Inventor Heinz-Gerhard Koehn

Heinz-Gerhard Koehn 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: 11247215
    Abstract: A centrifuge includes a swing rotor. Rotor arms of the swing rotor have recesses into which hangers of the swing rotor at least partially swing in a swung-out state. As a result, the centrifuge container and thus also the centrifuges are more compact, because the swinging-out requires less space. An inertial mass of the swing rotor is reduced due to the recesses provided therein, whereby energy consumption, primarily when starting the centrifuge, is significantly reduced.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: February 15, 2022
    Assignee: Eppendorf AG
    Inventors: Steffen Kühnert, Heinz Gerhard Köhn
  • Patent number: 10717960
    Abstract: This patent document relates to the field of biotechnological apparatuses. It relates particularly to a biotechnological apparatus comprising a bioreactor, an exhaust gas temperature control device and a method for treating an exhaust gas stream. This patent document further relates to a connection device for a sterile single-use fluid conduit of a single-use bioreactor and to a method for treating a fluid stream. The reusable connection device comprises a receptacle in which a portion of the fluid conduit can be detachably arranged, and a coupling member connecting the connection device to a temperature control device, the receptacle having a contact surface which is arranged such that the contact surface abuts a fluid conduit arranged in the receptacle, and wherein a portion of a fluid conduit can be introduced into the receptacle in a direction running substantially orthogonally to a longitudinal axis of the connection device.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: July 21, 2020
    Assignee: DASGIP INFORMATION AND TECHNOLOGY GMBH
    Inventors: Matthias Arnold, Heinz Gerhard Köhn, Nico Gülzow, Sven Eikelmann, Guido Ertel, Sebastian Selzer
  • Publication number: 20190143341
    Abstract: A centrifuge includes a swing rotor. Rotor arms of the swing rotor have recesses into which hangers of the swing rotor at least partially swing in a swung-out state. As a result, the centrifuge container and thus also the centrifuges are more compact, because the swinging-out requires less space. An inertial mass of the swing rotor is reduced due to the recesses provided therein, whereby energy consumption, primarily when starting the centrifuge, is significantly reduced.
    Type: Application
    Filed: November 15, 2018
    Publication date: May 16, 2019
    Inventors: Steffen Kühnert, Heinz Gerhard Köhn
  • 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: 9149815
    Abstract: The present invention relates to a lid for closing a centrifuge rotor, characterized by a form-fitting, rotation-actuated closure mechanism which, pre-positioned on the centrifuge rotor, moves automatically into a closed position by virtue of the intrinsic weight of the lid.
    Type: Grant
    Filed: May 23, 2006
    Date of Patent: October 6, 2015
    Assignee: Eppendorf AG
    Inventors: Heinz Gerhard Köhn, Eckhard Kopowski, Andreas Heilmann
  • Publication number: 20140329224
    Abstract: This patent document relates to the field of biotechnological apparatuses. It relates particularly to a biotechnological apparatus comprising a bioreactor, an exhaust gas temperature control device and a method for treating an exhaust gas stream. This patent document further relates to a connection device for a sterile single-use fluid conduit of a single-use bioreactor and to a method for treating a fluid stream. The reusable connection device comprises a receptacle in which a portion of the fluid conduit can be detachably arranged, and a coupling member connecting the connection device to a temperature control device, the receptacle having a contact surface which is arranged such that the contact surface abuts a fluid conduit arranged in the receptacle, and wherein a portion of a fluid conduit can be introduced into the receptacle in a direction running substantially orthogonally to a longitudinal axis of the connection device.
    Type: Application
    Filed: October 10, 2012
    Publication date: November 6, 2014
    Inventors: Matthias Arnold, Heinz-Gerhard Köhn, Nico Gülzow, Sven Eickelmann, Guido Ertel, Sebastian Selzer
  • 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
  • Publication number: 20130178352
    Abstract: A foam molding shell for a centrifuge bowl, a bowl for a centrifuge, a method for producing a thermal insulation encasing the bowl for the centrifuge and to a centrifuge. The foam molding shell is configured as a disposable tool for foam encasing the bowl for the centrifuge with the thermal insulating material. Thus, the production complexity and the production cost of the centrifuge bowl with the thermally insulated bowl for the centrifuge can be significantly reduced.
    Type: Application
    Filed: February 24, 2013
    Publication date: July 11, 2013
    Inventors: Robert Goellnitz, Heinz-Gerhard Koehn, Thomas Nehrdich
  • Publication number: 20130116104
    Abstract: A centrifuge bucket for centrifuging materials, in particular in laboratory centrifuges. The centrifuge bucket is operable in a very simple manner and facilitates safe and constant closure over the service life of the centrifuge bucket. Thus, the centrifuge bucket handles much better than known centrifuge buckets because real one hand operation without using a second hand is facilitated. Furthermore, the centrifuge bucket can be produced in a simpler and more cost-effective manner while being equally suitable for a given centrifugation power and centrifugation capacity.
    Type: Application
    Filed: May 1, 2012
    Publication date: May 9, 2013
    Inventors: Heinz-Gerhard Koehn, Eckart Kopowski, Sylke Grune, Sandra David, Ulrike Gaebler, Paul Chatzis
  • Publication number: 20110212819
    Abstract: The present invention relates to a lid for closing a centrifuge rotor, characterized by a form-fitting, rotation-actuated closure mechanism which, pre-positioned on the centrifuge rotor, moves automatically into a closed position by virtue of the intrinsic weight of the lid.
    Type: Application
    Filed: May 23, 2006
    Publication date: September 1, 2011
    Inventors: Heinz Gerhard Köhn, Eckhard Kopowski, Andreas Heilmann
  • Patent number: 7153433
    Abstract: Application of a functionalized porous membrane to purify nucleic acids, the binding properties of the membrane with respect to nucleic acids being adjustable by controlling the conditions of an ambient medium. The membrane is functionalized by deprotonated groups.
    Type: Grant
    Filed: February 2, 2001
    Date of Patent: December 26, 2006
    Assignee: Eppendorf AG
    Inventors: Thomas Kolzau, Heinz Gerhard Köhn, Wilhelm Plüster, Mathias Ulbricht
  • Patent number: 6872570
    Abstract: A laboratory device for jointly tempering reaction samples in at least two steps in respectively assigned, specified temperature ranges, which are carried out repeatedly and consecutively as sequences of steps, the laboratory tempering device, in one step of the sequences of steps, bringing several groups of samples, in each case containing at least one sample, to temperatures within the temperature range, which are constant within the groups and different between the groups, wherein the laboratory tempering device, in each step of the sequence, brings a different partial amount of the samples in groups to temperatures, which are the same within the groups and different between the groups, and brings the samples of the other partial amounts to a same temperature within the assigned temperature range.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: March 29, 2005
    Assignee: Eppendorf AG
    Inventor: Heinz Gerhard Köhn