Patents by Inventor Charles W. Roche

Charles W. Roche 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).

  • Patent number: 4372587
    Abstract: Flange for attaching a pipe to a flanged member, the flange consisting of a split disc having matching bore halves which are provided with peripheral serrations.
    Type: Grant
    Filed: April 14, 1981
    Date of Patent: February 8, 1983
    Assignee: Uni-Flange Corporation
    Inventor: Charles W. Roche
  • Patent number: 4336959
    Abstract: Restrainer for joint in plastic conduit consisting of a retainer ring and a clamping ring drawn together by bolts.
    Type: Grant
    Filed: June 19, 1980
    Date of Patent: June 29, 1982
    Assignee: Uni-Flange Corporation
    Inventor: Charles W. Roche
  • Patent number: D263415
    Type: Grant
    Filed: November 26, 1979
    Date of Patent: March 16, 1982
    Assignee: Uni-Flange Corporation
    Inventor: Charles W. Roche