Patents by Inventor Robert P. Cook

Robert P. Cook 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).

  • Disposable tray sump foamer, assembly and methods
    Patent number: 5452823
    Abstract: A biological agent growth-limiting and cross contamination suppressing foaming assembly. The foaming assembly comprises a disposable foamable-liquid transport and foaming cartridge and a housing cooperatively used with the cartridge to produce and dispense foam from the cartridge. The cartridge comprises a low-cost package comprising a molded tray which provides cavities for liquid containing chambers, air and liquid communicating channels, and initially sealed but frangible ports and a liquid impervious sheet which covers an open face of the tray to seal otherwise open portions of the chambers, channels and ports. The housing comprises a vertical wall mounting plate, a cartridge accommodating and servicing cover hingeably affixed to the mounting plate, a pump which provides pressurized gas to produce the foam within the cartridge, and sharpened stems or shafts to open the frangible ports.
    Type: Grant
    Filed: August 24, 1994
    Date of Patent: September 26, 1995
    Assignee: Ballard Medical Products
    Inventors: Darrel Palmer, Robert P. Cook
  • Disposable tray sump foamer, assembly and methods
    Patent number: 5372281
    Abstract: A biological agent growth-limiting and cross contamination suppressing foaming assembly. The foaming assembly comprises a disposable foamable-liquid transport and foaming cartridge and a housing cooperatively used with the cartridge to produce and dispense foam from the cartridge. The cartridge comprises a low-cost package comprising a molded tray which provides cavities for liquid containing chambers, air and liquid communicating channels, and initially sealed but frangible ports and a liquid impervious sheet which covers an open face of the tray to seal otherwise open portions of the chambers, channels and ports. The housing comprises a vertical wall mounting plate, a cartridge accommodating and servicing cover hingeably affixed to the mounting plate, a pump which provides pressurized gas to produce the foam within the cartridge, and sharpened stems or shafts to open the frangible ports.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: December 13, 1994
    Assignee: Ballard Medical Products
    Inventors: Darrel Palmer, Robert P. Cook
  • Disposable tray sump foamer, assembly and methods
    Patent number: 5339988
    Abstract: A biological agent growth-limiting and cross contamination suppressing foaming assembly. The foaming assembly comprises a disposable foamable-liquid transport and foaming cartridge and a housing cooperatively used with the cartridge to produce and dispense foam from the cartridge. The cartridge comprises a low-cost package comprising a molded tray which provides cavities for liquid containing chambers, air and liquid communicating channels, and initially sealed but frangible ports and a liquid impervious sheet which covers an open face of the tray to seal otherwise open portions of the chambers, channels and ports. The housing comprises a vertical wall mounting plate, a cartridge accommodating and servicing cover hingeably affixed to the mounting plate, a pump which provides pressurized gas to produce the foam within the cartridge, and sharpened stems or shafts to open the frangible ports.
    Type: Grant
    Filed: October 19, 1992
    Date of Patent: August 23, 1994
    Assignee: Ballard Medical Products
    Inventors: Darrel Palmer, Robert P. Cook