Patents by Inventor Gregorio S. Collins

Gregorio S. Collins 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).

  • Positive crankcase ventilation valve
    Patent number: 5228424
    Abstract: A two stage valve for regulating the ventilation of gases from the crankcase of an internal combustion engine, where the flow of gases from the crankcase through the valve and into the intake manifold is limited whenever engine loads are relatively low regardless of engine vacuum and where the flow of gases from the crankcase through the valve and into the intake manifold is relatively large whenever engine loads are relatively large.
    Type: Grant
    Filed: March 30, 1992
    Date of Patent: July 20, 1993
    Inventor: Gregorio S. Collins