Patents by Inventor Curtis Belknap

Curtis Belknap 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).

  • Flexible Hydrophone
    Publication number: 20070036033
    Abstract: A hydrophone includes a body formed of a flexible, plastic material. The body includes a plurality of channels and each channel may have one or more wells. The wells are adapted to receive an active element which includes mounting hardware. The mounting hardware includes a soft, rubber grommet or other means which suspends the active element, thereby permitting the flexing of the body without introducing that motion to the active element.
    Type: Application
    Filed: August 10, 2005
    Publication date: February 15, 2007
    Inventors: Michael Maples, James Spackman, Curtis Belknap, Paul Wentzler, Robert Foertsch
  • Rack locator for billiards table
    Patent number: 6629897
    Abstract: A rack for a billiards table includes an indicator that produces an indication signal when the rack is properly positioned on a billiards table. The rack may include a device that produces a light beam. The rack may also include a diffuser or a photodetector that creates a signal when it receives a light beam. The light beam may be reflected back from an element positioned on the table or may emanate from the table.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: October 7, 2003
    Inventor: John Curtis Belknap
  • Rack locator for billiards table
    Publication number: 20020032068
    Abstract: A rack for a billiards table includes an indicator that produces an indication signal when the rack is properly positioned on a billiards table. The rack may include a device that produces a light beam. The rack may also include a diffuser or a photodetector that creates a signal when it receives a light beam. The light beam may be reflected back from an element positioned on the table or may emanate from the table.
    Type: Application
    Filed: May 31, 2001
    Publication date: March 14, 2002
    Inventor: John Curtis Belknap