Patents Represented by Law Firm Weber, Raithel, Malm, LaFave & Backus
  • Intensifier pump with integrated check valve
    Patent number: 4412792
    Abstract: A high pressure check valve for an intensifier cylinder and secured in the end of the cylinder so as to reduce the stress on the check valve due to cyclic loading.
    Type: Grant
    Filed: January 21, 1981
    Date of Patent: November 1, 1983
    Assignee: The Oilgear Company
    Inventors: Russell G. LaBorde, Gary S. Jendrzejek