Patents by Inventor Douglas P. Ramsey

Douglas P. Ramsey 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).

  • Heated deformable support
    Patent number: 6133556
    Abstract: A heated, deformable support may be placed adjacent to a computer keyboard or mouse to support the operator's wrist or hand. Heat from the support is transferred to the operator's wrist or hand, and the support deforms to conform to the wrist or hand, to provide comfort and relieve stress during operation or the keyboard or mouse.
    Type: Grant
    Filed: April 19, 1999
    Date of Patent: October 17, 2000
    Inventors: Douglas P. Ramsey, Russell J. Sinacori
  • Self-sealing closure
    Patent number: 5186353
    Abstract: A self-sealing closure for sealing a receptacle is disclosed. The closure contains a lid having a depressed area and at least one orifice within the depressed area, and a shutter matching the orifice which contains a lever.The shutter is held against the orifice. The shutter contains a device for preventing the pushing of the shutter away from the orifice when force is applied to the lever in a direction substantially orthogonal to the plane of the orifice.
    Type: Grant
    Filed: November 6, 1991
    Date of Patent: February 16, 1993
    Inventor: Douglas P. Ramsey
  • Self-sealing closure
    Patent number: 5082134
    Abstract: A self-sealing closure for sealing a receptacle is disclosed. The closure contains a lid having a depressed area and at least one orifice within the depressed area, and a shutter matching the orifice which contains a lever.The shutter is held against the orifice. The shutter contains a device for preventing the shutter from rotating about the central axis of the closure.
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: January 21, 1992
    Inventor: Douglas P. Ramsey
  • Self-sealing closure
    Patent number: 5036993
    Abstract: A self-sealing closure for sealing a receptacle is disclosed. The closure has a lid having a depressed area, at least one orifice within the depressed area, and a shutter matching the orifice. The shutter contains at least two different means for removably attaching the shutter to said lid.
    Type: Grant
    Filed: November 28, 1990
    Date of Patent: August 6, 1991
    Inventor: Douglas P. Ramsey
  • Self-sealing closure
    Patent number: 4712704
    Abstract: A self-sealing closure for drinking vessels is disclosed. This closure is comprised of (1) a detachable lid, which can be used to cover the receptacle of the drinking vessel, and which has a depressed area and at least one orifice within the depressed area; (2) a shutter matching said orifice; (3) means for resiliently holding the shutter against the orifice; and (4) rotatable means for pushing the shutter away from the orifice.
    Type: Grant
    Filed: February 19, 1987
    Date of Patent: December 15, 1987
    Inventors: Douglas P. Ramsey, Michael J. O'Brien