Patents by Inventor John Lapoint, Jr.

John Lapoint, Jr. 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).

  • Collapsible containment system
    Patent number: 5209364
    Abstract: A collapsible container that incorporates the features of a rigid free-standing container with the flexibility and collapsibility of a bulk bag. Stiffening members are placed into pockets created by sewing together two pieces of woven polypropylene. The members may be removed and placed inside the bag for shipping and then installed in the sewn pockets to create a collapsible container suitable for containment and shipment of bulk materials of up to 70% liquid composition.
    Type: Grant
    Filed: October 10, 1991
    Date of Patent: May 11, 1993
    Inventor: John LaPoint, Jr.
  • Filter apparatus with a flexible collar
    Patent number: 5188731
    Abstract: Filter apparatus for filtering liquids in pressure vessels. The invention solves the sealing problem associated with filter bags by providing a filterable seal fabricated from the filter material itself fastening to a flexible collar. The filter provides simple insertion or removal, low cost of fabrication yet ensures that substantially all liquid passing through the pressure vessel will be filtered.
    Type: Grant
    Filed: October 4, 1990
    Date of Patent: February 23, 1993
    Inventor: John Lapoint, Jr.