Patents by Inventor Kark K. LaFleur

Kark K. LaFleur 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).

  • Coupling apparatus
    Patent number: 5282653
    Abstract: A coupling apparatus is provided for quick coupling of pumping equipment to a cylindrical member. The coupling apparatus includes at least one sealing member that may be hydraulically biased to provide a fluid tight seal between the coupling apparatus and a cylindrical member.
    Type: Grant
    Filed: December 18, 1991
    Date of Patent: February 1, 1994
    Assignee: LaFleur Petroleum Services, Inc.
    Inventors: Kark K. LaFleur, Donald R. Wade