Patents by Inventor William J. Gates

William J. Gates 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).

  • Air purge/solvent bath method
    Patent number: 4534802
    Abstract: A method of dispensing plural component polyurethane foam is disclosed wherein the working parts are cleaned by a combination of air purging and immersion in a static solvent bath.
    Type: Grant
    Filed: January 23, 1984
    Date of Patent: August 13, 1985
    Assignee: Olin Corporation
    Inventors: William J. Gates, John F. Zwirlein
  • Air purge/solvent bath apparatus and method
    Patent number: 4460126
    Abstract: A method of operating and the apparatus for dispensing plural component polyurethane foam is disclosed wherein the working parts are cleaned by a combination of air purging and immersion in a static solvent bath.
    Type: Grant
    Filed: March 3, 1982
    Date of Patent: July 17, 1984
    Assignee: Olin Corporation
    Inventors: William J. Gates, John F. Zwirlein