Patents by Inventor Richard Kirsgalvis

Richard Kirsgalvis 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).

  • Snap fit filter bag assembly
    Patent number: 5840188
    Abstract: A liquid filter housing and filter bag assembly includes a reticulated basket fitted within a housing chamber and supported by the housing, and a replacable filter bag positioned within the reticulated basket. The filter bag includes a flexible flange which terminates with a bulbous lip which frictionally engages the housing to secure and seal the bag at the housing and basket.
    Type: Grant
    Filed: October 21, 1997
    Date of Patent: November 24, 1998
    Assignee: Le Sac Corporation
    Inventor: Richard Kirsgalvis