Patents by Inventor Joseph E. Norwood, Sr.

Joseph E. Norwood, Sr. 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: 4479468
    Abstract: A port proximate to an automotive oil filter, and a closure therefor, used to precharge a newly installed oil filter with oil. The port may be located either in an adaptor mounting plate, which is located between the filter and the engine block, or in the engine block itself. The port is in fluid communication with the filter, allowing a newly installed filter to be precharged with oil to minimize engine wear.
    Type: Grant
    Filed: December 9, 1983
    Date of Patent: October 30, 1984
    Inventor: Joseph E. Norwood, Sr.
  • Patent number: 4433656
    Abstract: A port proximate to an automotive oil filter, and a closure therefor, used to precharge a newly installed oil filter with oil. The port may be located either in an adaptor mounting plate, which is located between the filter and the engine block, or in the engine block itself. The port is in fluid communication with the filter, allowing a newly installed filter to be precharged with oil to minimize engine wear.
    Type: Grant
    Filed: July 22, 1982
    Date of Patent: February 28, 1984
    Inventor: Joseph E. Norwood, Sr.