Patents by Inventor Robert J. Blomquist

Robert J. Blomquist 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).

  • Filter apparatus with coupling and latch mechanism
    Patent number: 5882511
    Abstract: A filter system providing an improved connection device providing quicker and easier removal and installation of filters and increased reliability of the filters due to the improved connection device.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: March 16, 1999
    Assignee: Fil-Tech Corporation
    Inventor: Robert J. Blomquist