Patents by Inventor Egils A. Purins

Egils A. Purins 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).

  • Patent number: 4401093
    Abstract: A one-piece combination oil fill/air breather cap for an automotive type engine positive crankcase ventilation (PCV) system that includes a filter and oil separator chambers below the filter defined by partitions or baffles upon which the oil droplets impinge during reverse flow operation of the PCV system; a double lip flared annular seal operating in tension being sandwiched between the cap lower surface and the engine rocker arm cover to minimize oil leakage.
    Type: Grant
    Filed: June 9, 1982
    Date of Patent: August 30, 1983
    Assignee: Ford Motor Company
    Inventors: Freeman C. Gates, Jr., Egils A. Purins