Patents by Inventor Bradley K. Laybourn

Bradley K. Laybourn 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: 5027862
    Abstract: A hose repair connector apparatus is set forth for the repair connection of various pipe, including an elongate flexible hose, including flexible drawstrings directed circumferentially proximate each end of the hose through circumferential slots. A modified embodiment includes a polymeric sealing ring underlying each drawstring, wherein each drawstring is captured within a pocket between the ring and exterior portion of the hose. A further modified embodiment includes a plurality of coaxial flexible hoses secured together by heat seaming at proximate terminal ends thereof, with a pneumatic valve directed into a chamber defined between the exterior and interior hoses to create back pressure against a rupture in an existing pipe.
    Type: Grant
    Filed: March 15, 1990
    Date of Patent: July 2, 1991
    Inventor: Bradley K. Laybourn