Patents by Inventor Duncan Wade

Duncan Wade 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).

  • Diaphragm for a diaphragm pump
    Patent number: 6544005
    Abstract: A diaphragm for a diaphragm pump is in the form of a vehicle tire. The vehicular tire has a first mounting face, a second mounting face and a circumferential tread portion positioned between first mounting face and the second mounting face. A first sealing disk is secured to the first mounting face of the tire. A second sealing disk is secured to the second mounting face of the tire. An inlet valve positioned on either the first sealing disk or the second sealing disk. An outlet valve is positioned on either the first sealing disk or the second sealing disk.
    Type: Grant
    Filed: October 26, 2001
    Date of Patent: April 8, 2003
    Assignee: Wade Metal Products Limited
    Inventor: Duncan Wade
  • Diaphragm for a diaphragm pump
    Publication number: 20020064468
    Abstract: A diaphragm for a diaphragm pump is in the form of a vehicle tire. The vehicular tire has a first mounting face, a second mounting face and a circumferential tread portion positioned between first mounting face and the second mounting face. A first sealing disk is secured to the first mounting face of the tire. A second sealing disk is secured to the second mounting face of the tire. An inlet valve positioned on either the first sealing disk or the second sealing disk. An outlet valve is positioned on either the first sealing disk or the second sealing disk.
    Type: Application
    Filed: October 26, 2001
    Publication date: May 30, 2002
    Inventor: Duncan Wade