Patents by Inventor Robert J. Arrowsmith

Robert J. Arrowsmith 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).

  • Process for the dehydration of a gas
    Patent number: 5641337
    Abstract: The present invention relates to a process for the dehydration of a gas, particularly of a gas where the gas values should all be substantially recovered as dehydrated gas. The process uses membrane dryers and provides a sweep gas for each of the dryers. The sweep gas is substantially recovered and used again as a sweep gas. The process is economical and can process large quantities of gas.
    Type: Grant
    Filed: December 8, 1995
    Date of Patent: June 24, 1997
    Assignee: Permea, Inc.
    Inventors: Robert J. Arrowsmith, Kenneth Jones
  • Surface treated polyester substrates
    Patent number: 4247658
    Abstract: A textile or textile-like polyester element having improved adhesion to rubber and being characterized by a high surface energy, a chemically unmodified surface and a coating which is a crystallizing agent for the polyester substrate.
    Type: Grant
    Filed: January 22, 1979
    Date of Patent: January 27, 1981
    Assignee: Fiber Industries, Inc.
    Inventor: Robert J. Arrowsmith
  • Surface treated polyester substrates
    Patent number: 4044189
    Abstract: A textile or textile-like polyester element having improved adhesion to rubber and being characterized by a high surface energy, a chemically unmodified surface and a coating which is a crystallizing agent for the polyester substrate.
    Type: Grant
    Filed: September 7, 1972
    Date of Patent: August 23, 1977
    Assignee: Fiber Industries, Inc.
    Inventor: Robert J. Arrowsmith