Patents by Inventor Robert C. Koeppel

Robert C. Koeppel 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).

  • Multi-layer protective fabrics
    Patent number: 6869900
    Abstract: A multi-layer protective fabric includes a thin urethane film, a flame-retardant fibrous layer, and a flame-retardant micro-porous layer. The film includes flame retardant additives, blocks a liquid chemical from passing through it, and breathes by an adsorption/de-sorption process to permit water vapor to pass through it. The fibrous layer is bonded on one surface of the film. The urethane layer is bonded on the other surface of the film.
    Type: Grant
    Filed: December 3, 2002
    Date of Patent: March 22, 2005
    Assignee: Shawmut Corporation
    Inventors: Daniel Wyner, Robert C. Koeppel
  • Multi-layer protective fabrics
    Publication number: 20030082971
    Abstract: A multi-layer protective fabric includes a thin urethane film, a flame-retardant fibrous layer, and a flame-retardant micro-porous layer. The film includes flame retardant additives, blocks a liquid chemical from passing through it, and breathes by an adsorption/de-sorption process to permit water vapor to pass through it. The fibrous layer is bonded on one surface of the film. The urethane layer is bonded on the other surface of the film.
    Type: Application
    Filed: December 3, 2002
    Publication date: May 1, 2003
    Applicant: R.H. Wyner Associates, Inc., a Massachusetts corporation
    Inventors: Daniel Wyner, Robert C. Koeppel
  • Multi-layer protective fabrics
    Patent number: 6531419
    Abstract: A multi-layer protective fabric includes a thin urethane film, a flame-retardant fibrous layer, and a flame-retardant micro-porous layer. The film includes flame retardant additives, blocks a liquid chemical from passing through it, and breathes by an adsorption/de-sorption process to permit water vapor to pass through it. The fibrous layer is bonded on one surface of the film. The urethane layer is bonded on the other surface of the film.
    Type: Grant
    Filed: July 1, 1999
    Date of Patent: March 11, 2003
    Assignee: R. H. Wyner Associates, Inc.
    Inventors: Daniel Wyner, Robert C. Koeppel