Patents by Inventor Ojars Maldavs

Ojars Maldavs 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).

  • 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