Patents by Inventor Denis Brendan Gowing

Denis Brendan Gowing 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).

  • Jointing system for pipes
    Patent number: 6641178
    Abstract: A copper pipe has a circumferential groove formed in an outer wall to receiver an O-ring seal. The groove is formed a pre-set distance from a free end of the pipe. Two pipe lengths are jointed together by a coupling having a housing with pipe seal-receiving seats at each end for receiving the O-ring seal fitted to the pipe. Caps screw threadingly engage the housing to clamp the pipe lengths in the housing. The fitting can be pre-assembled and used as a push-in fitting with a subsequent tightening by hand.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: November 4, 2003
    Assignee: Coda Limited
    Inventor: Denis Brendan Gowing
  • Jointing system
    Publication number: 20010038205
    Abstract: A copper pipe (1) has a circumferential groove (2) formed in an outer wall to receive an O-ring seal (3). The groove (2) is formed a pre-set distance from a free end (5) of the pipe (1). Two pipe lengths are jointed together by a coupling (10) having a housing (11) with pipe seal-receiving seats (15) at each end for receiving the O-ring seal (3) fitted to the pipe (1). Caps (14) screw threadingly engage the housing (11) to clamp the pipe lengths (1) in the housing (11). The fitting can be pre-assembled and used as a push-in fitting with a subsequent tightening by hand.
    Type: Application
    Filed: May 31, 2001
    Publication date: November 8, 2001
    Inventor: Denis Brendan Gowing