Patents by Inventor Paul T. Philpot

Paul T. Philpot 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: 5763820
    Abstract: A wrapped gas generant cartridge is incorporated in an inflator of a vehicle occupant restraint system. The gas generant cartridge includes a stacked, aligned plurality of substantially flat annular wafers of gas generant material having a central opening therethrough. A wrap of sheet material surrounds the plurality of wafers and has marginal end panels folded along the end surfaces of the plurality of wafers, leaving at least one end opening exposed for receiving an ignition tube of the inflator. The wrap of sheet material is selected from metal foil, expanded metal, cellulose, thermoplastics, including polyolefin shrink wrap, with tape, adhesive or adhesive laminates holding the wrap in position. The gas generant cartridge is received in a filter and screen pack within the inflator.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: June 9, 1998
    Assignee: Autiliv ASP, Inc.
    Inventors: Paul T. Philpot, David W. Lindsey, Scott A. Jackson
  • Patent number: 5407120
    Abstract: A method for re-sizing and re-shaping wrapped multiple layered or stack-up cylindrical air bag inflator filter assemblies. This invention is specifically directed to manufacturing cylindrical air bag filter assemblies exhibiting superior dimensioned characteristics such as diameter, wall thickness, roundness, straightness, clylindricity by subjecting the as-wrapped filter assemblies to a rotary swaging operation.
    Type: Grant
    Filed: May 25, 1994
    Date of Patent: April 18, 1995
    Assignee: Morton International, Inc.
    Inventor: Paul T. Philpot