Patents by Inventor Robert J. Scotchmer

Robert J. Scotchmer 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).

  • Spin-on liquid filter with unique straight through flow path
    Patent number: 5679244
    Abstract: A unique cylindrical filter assembly (10) having a flow path in one end (31) through a filter media (18) and out the other end with the inlet (12) and the outlet (14) disposed on the longitudinal center line of the cylindrical filter assembly (10) and with the filter media (18) having an elongated annular shape and being disposed around a center chamber (34). Filter assembly (10) includes a pressure relief valve (22) positioned in the center chamber (34) near the inlet port (12) so when the pressure relief valve (22) opens liquid flows directly into the center chamber (34). A housing member (40) can be provided which covers the outlet end (14) and includes louvers (42) for dispersing the liquid as it exits the filter (10).
    Type: Grant
    Filed: October 28, 1996
    Date of Patent: October 21, 1997
    Assignee: AlliedSignal Inc.
    Inventors: Barton J. Tettman, Robert J. Scotchmer