Patents by Inventor James Walsh

James Walsh 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).

  • Automatic measurement of GPS cable delay time
    Patent number: 5953384
    Abstract: A method and apparatus accurately synchronizes a communications equipment (101) to a precise 1 PPS signal (229) when the remote GPS equipment (112) and the communications equipment (101) are separated by a cable (110) of unknown length. Accordingly, integrity and precision of the 1 PPS timing signal is maintained when synchronizing the communications system.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: September 14, 1999
    Assignee: Motorola, Inc.
    Inventors: William James Walsh, Edward Dean Berry, Thomas Michael King
  • Filter socks
    Patent number: 4959045
    Abstract: A construction of filter sock which has a panel (1) with two leaves (2,3) of unequal width such that when folded along a foldline (4) the leaves form a double leaf panel with a projecting side (9). The side (9) is folded back along a second fold line (11) over the free side (6) of leaf (2). The sides (6,9) and leaf (2) are secured together by an overlock stitching (13) to form a tube (12). The invention provides a method of making the filter sock.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: September 25, 1990
    Inventors: Philip J. Hartley, James Walshe
  • Tub
    Patent number: D440640
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: April 17, 2001
    Assignee: American Standard International Inc.
    Inventor: James Walsh
  • Railway tie
    Patent number: D459493
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: June 25, 2002
    Inventors: Patrick Thornton, Kevin James Walsh