Patents by Inventor Chuck Crisman

Chuck Crisman 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).

  • Flexible hose with composite core
    Patent number: 5622210
    Abstract: A flexible hose comprising a composite polymeric core with a degradation-resistant liner and a thermoplastic elastomeric liner coating, the core preferably being surrounded by a protective sheath. The degradation-resistant liner is optionally a polyolefin or fluorine-containing polyolefin and can have a convoluted inside surface. The composite core can optionally include a vapor barrier and leak indicator, and a tracer can be provided to indicate twisting of the sheath.
    Type: Grant
    Filed: June 12, 1995
    Date of Patent: April 22, 1997
    Assignee: LSP Products Group, Inc.
    Inventors: Chuck Crisman, Russell Chudd, Philip A. Mulvey