Patents Assigned to Manostat Corporation
  • Memory Mopet
    Patent number: 5509318
    Abstract: A hand-held automatic pipetting apparatus operable with a standard glass or plastic pipet for aspirating and dispensing a predetermined amount of liquid, comprising a housing including a handle and a pipette adapter for holding a pipette, an electric motor carried by the housing, a peristaltic pump carried by the housing and driven by said motor, conduit means communicating said pump with said pipette adapter when coupled to said pipette adapter, and control means for activating the motor and pump.
    Type: Grant
    Filed: October 13, 1993
    Date of Patent: April 23, 1996
    Assignee: Manostat Corporation
    Inventor: Francis Gomes
  • Bottle uncapping and recapping machine
    Patent number: 4926717
    Abstract: A machine for removing and subsequently reapplying bottle caps to bottles having a threaded neck is actuated by the presentation of a bottle neck to a rotatable chuck to either apply or remove a bottle cap.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: May 22, 1990
    Assignee: Manostat Corporation
    Inventor: Francis Gomes
  • Variable displacement peristaltic pump
    Patent number: 4547136
    Abstract: A variable displacement peristaltic pump includes an stator carrying a flexible resilient tube, and a spoke-like array of pinch rollers for cooperation with the flexible tube. The rollers extend radially of the axis of a driven rotor, the stator and tube extending tangent to the axis of rotation of the rotor and being adjustable radially of the rotor axis, thus providing for adjustment and calibration of the pump output.
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: October 15, 1985
    Assignee: Manostat Corporation
    Inventor: Robert A. Rothstein
  • Hand-held pipetting device
    Patent number: D277313
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: January 22, 1985
    Assignee: Manostat Corporation
    Inventors: Michael A. Alvarez, George Fried, George Payne
  • Hand-held pipetting device
    Patent number: D277314
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: January 22, 1985
    Assignee: Manostat Corporation
    Inventors: Michael A. Alvarez, George Fried, George Payne
  • Base for a pipetting device
    Patent number: D277315
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: January 22, 1985
    Assignee: Manostat Corporation
    Inventors: Michael A. Alvarez, George Fried, George Payne