Patents by Inventor Jeffery Pray

Jeffery Pray 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).

  • Ambient pressure compensated tactile sensor
    Patent number: 7004039
    Abstract: A tactile sensor comprises a sensing bladder in pneumatic communication with a first diaphragm side of a pneumatic diaphragm via a first fluid; the pneumatic diaphragm being actuatable by a displacement of the first fluid within the sensing bladder; the pneumatic diaphragm further comprising a second diaphragm side in fluid isolation from the first diaphragm side; the second diaphragm side being pneumatically biased against the first diaphragm side, and the second diaphragm side and the first diaphragm side of the pneumatic diaphragm each being in pneumatic communication with an external environment.
    Type: Grant
    Filed: February 17, 2004
    Date of Patent: February 28, 2006
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Kenneth Ford, Jeffery Pray, Chris Richburg, Charles Bernstein