Patents Assigned to The Bruning Company
  • Quick coupling device
    Patent number: 4077433
    Abstract: A quick coupling device for coaction with a check valve-equipped male device having an L-shaped passage therein with a piston-equipped spool mounted in the portion of the passage receiving the male device.
    Type: Grant
    Filed: May 17, 1976
    Date of Patent: March 7, 1978
    Assignee: The Bruning Company
    Inventor: Ojars Maldavs