Patents by Inventor Karl E. Schwarz

Karl E. Schwarz 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: 6075180
    Abstract: A carvable implant material for use in surgery and especially in plastic and reconstructive surgery. At least two layers of porous PTFE (polytetrafluoroethylene) sheet material are laminated together by an adhesive placed between the adjacent layers of porous PTFE sheet material. Alternatively, a plurality of discrete pieces of porous PTFE may be adhered together by an adhesive. The presence of the adhesive provides a significant increase in stiffness and hence in carvability beyond that possible in a single layer of porous PTFE without the adhesive. Preferred adhesives are thermoplastic fluoropolymers of lower crystalline melt temperature than PTFE, such as FEP or PFA.
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: June 13, 2000
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: Norman J. Sharber, Kenneth W. Moll, Karl E. Schwarz, Clayton M. Sparling
  • Patent number: 5925075
    Abstract: A tubular intraluminal graft in the form of a tubular diametrically adjustable stent having a tubular covering of porous expanded polytetrafluoroethylene which is less than 0.10 mm thick. The covering may be on the exterior surface of the stent, or on the interior surface of the stent, or both. The covering may be affixed to the stent by an adhesive which is preferably fluorinated ethylene propylene.
    Type: Grant
    Filed: June 11, 1997
    Date of Patent: July 20, 1999
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: David J. Myers, James D. Lewis, Wayne D. House, Karl E. Schwarz
  • Patent number: 5810870
    Abstract: A tubular intraluminal graft in the form of a tubular diametrically adjustable stent having a tubular covering of porous expanded polytetrafluoroethylene which is less than 0.10 mm thick. The covering may be on the exterior surface of the stent, or on the interior surface of the stent, or both. The covering may be affixed to the stent by an adhesive which is preferably fluorinated ethylene propylene.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: September 22, 1998
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: David J. Myers, James D. Lewis, Wayne D. House, Karl E. Schwarz
  • Patent number: 5735892
    Abstract: A tubular intraluminal graft in the form of a tubular diametrically adjustable stent having a tubular covering of porous expanded polytetrafluoroethylene which is less than 0.10 mm thick. The covering may be on the exterior surface of the stent, or on the interior surface of the stent, or both. The covering may be affixed to the stent by an adhesive which is preferably fluorinated ethylene propylene.
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: April 7, 1998
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: David J. Myers, James D. Lewis, Wayne D. House, Karl E. Schwarz
  • Patent number: 5700285
    Abstract: A tubular intraluminal graft in the form of a tubular diametrically adjustable stent having a tubular covering of porous expanded polytetrafluoroethylene which is less than 0.10 mm thick. The covering may be on the exterior surface of the stent, or on the interior surface of the stent, or both. The covering may be affixed to the stent by an adhesive which is preferably fluorinated ethylene propylene.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: December 23, 1997
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: David J. Myers, James D. Lewis, Wayne D. House, Karl E. Schwarz
  • Patent number: 4341583
    Abstract: A garment bag bottom sealing machine used in a dry cleaning operation or garment manufacturing industry includes a V-link belt which receives hangers fed thereto one at a time by a feeder. A sealer on the machine effects a double seal of a garment bag, and the bagged garment is discharged from the machine for further processing. The sealing machine is separate from any other equipment used in a garment dry cleaning operation or garment manufacturing industry.
    Type: Grant
    Filed: August 27, 1980
    Date of Patent: July 27, 1982
    Inventor: Karl E. Schwarz
  • Patent number: 4233797
    Abstract: A bagging machine which automatically encloses a garment in a bag. A continuous web of flexible material is fed into the machine, separated to form a tube, and that tube of material is pulled down over the garment. Material pulldown is stopped according to the length of the garment, the material is sealed, cut off from the web of material, then pulldown is completed to force a hanger through the top of the bag thus formed. In the preferred embodiment, pneumatic cylinders are used, and no electric motors are required. A hanger mechanism supports a garment in a manner which permits that garment to accommodate misalignment with respect to the machine, and the web separator is self-adjusting.
    Type: Grant
    Filed: April 17, 1979
    Date of Patent: November 18, 1980
    Inventor: Karl E. Schwarz