Patents by Inventor Wayne Lepp

Wayne Lepp 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).

  • Restrainer device for couplings in pipelines
    Patent number: 4609210
    Abstract: A thrust restrainer for a joint in a pipeline between a plain end of a synthetic plastic pipe and a fitting comprises a pair of semicylindrical moulded half sleeves bolted together through diametrically extending flange portions, the half sleeves having at one end an internal profile complementary to that of the fitting, and at its other end a semicylindrical internal profile matching the external surface of the pipe, the semicylindrical profile including a plurality of parallel serrations which deform the material of the pipe into engagement with the serrations on bolting together of the half sleeves.
    Type: Grant
    Filed: June 20, 1985
    Date of Patent: September 2, 1986
    Assignee: Scepter Manufacturing Company Limited
    Inventors: Thomas E. Torokvei, Wayne Lepp