Patents by Inventor Bertram J. Bernstein

Bertram J. Bernstein 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).

  • Crankcase oil drainage and containment apparatus
    Patent number: 4033432
    Abstract: Apparatus for draining and containing the used oil supply from a vehicle crankcase is provided including a pass-through nipple and a connecting flexible hose, control of the drainage being effected by the simple act of lowering and raising of the free end of the hose from a convenient and accessible position within the open hood of the vehicle without requiring a complex valve or the need for the user to crawl under the vehicle.
    Type: Grant
    Filed: August 29, 1975
    Date of Patent: July 5, 1977
    Inventor: Bertram J. Bernstein