Patents by Inventor Terrence R. Baldwin

Terrence R. Baldwin 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).

  • Permanent fogging system for gas mains
    Patent number: 5171771
    Abstract: A permanent fogging system comprising a selected amount of a reactive free-radical polymerizable acrylic or substituted acrylic monomer, a low molecular weight glycol carrier and an effective amount of a free radical initiator.Another embodiment involves a method of sealing a pipeline by spraying or applying the fogging or misting system described above.
    Type: Grant
    Filed: November 29, 1990
    Date of Patent: December 15, 1992
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Andrew Price, Terrence R. Baldwin
  • Permanent fogging system for gas mains
    Patent number: 4994307
    Abstract: A permanent fogging system comprising a selected amount of a reactive free-radical polymerizable acrylic or substituted acrylic monomer, a low molecular weight glycol carrier and an effecive amount of a free radical initiator.Another embodiment involves a method of sealing a pipeline by spraying or applying the fogging or misting system described above.
    Type: Grant
    Filed: June 26, 1989
    Date of Patent: February 19, 1991
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Andrew Price, Terrence R. Baldwin