Patents Assigned to Eppendorf-Netherler-Hinz GmbH
  • Patent number: 5620661
    Abstract: A pipette system with a syringe comprising a syringe flange and a syringe plunger, and with a pipette which in a pipette body comprises an accommodation for the syringe flange and in an accommodation body comprises a plunger accommodation for the syringe plunger, further comprising fastening mechanism for releasably fixing the syringe flange and the syringe plunger to their accommodations, and plunger adjusting device for displacing the accommodation body within the pipette body, the syringe comprising a data carrier with an information about the syringe and/or the condition thereof, and the pipette comprising a sensing device for the information on the data carrier, the syringe flange and the syringe plunger being axially movable into their positions of attachment in the pipette through axial openings of their accommodations, the data carrier being placed into a sensing position with respect to the sensing device and the syringe flange comprising a ring having at least one axially directed sensed area as a d
    Type: Grant
    Filed: December 12, 1994
    Date of Patent: April 15, 1997
    Assignee: Eppendorf-Netherler-Hinz GmbH
    Inventor: Klaus Sch urbrock
  • Patent number: 5511433
    Abstract: A pipette device, comprising a housing, an actuating element projecting from the upper end of this housing, a cylinder, a hollow piston moveable in this cylinder for displacing an air volume, a rod connecting this piston to this actuating element which is depressed against spring force to displace this piston, and an adapter cone for receiving replaceable pipette tips communicating with this cylinder. According to the invention the hollow piston comprises an outer tubular shell and an inner support which is preferably made of plastic material and to which the actuating element is connected by a coupling. The invention particularly refers to providing a variety of shells made of different materials which can be easily replaced.
    Type: Grant
    Filed: December 16, 1992
    Date of Patent: April 30, 1996
    Assignee: Eppendorf-Netherler-Hinz GmbH
    Inventors: Horst Sabloewski, Ingo Cordes, Jochen Beese, Klaus Schurbrock