Patents by Inventor Kirby J. Buidry

Kirby J. Buidry 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).

  • Process for manufacturing coupling gaskets for helically corrugated spiral pipe
    Patent number: 4174985
    Abstract: A process for manufacturing helically corrugated pipe coupling gaskets is provided wherein a sheet of rectangular flexible gasket material is extruded having parallel corrugations on one side, cutting the sheet across the corrugations at an angle which is the complement of the helix angle of the pipe, and then bonding opposite ends of the cut strip to form a circumferentially continuous strip.
    Type: Grant
    Filed: August 22, 1978
    Date of Patent: November 20, 1979
    Inventor: Kirby J. Buidry