Patents by Inventor Thomas S. Allen

Thomas S. Allen 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).

  • Flame retardant polypivalolactone compositions
    Patent number: 4145330
    Abstract: Flame retardant thermoplastic compositions containing polypivalolactone resin, an inorganic phosphate, and optionally a fiberglass filler and a polybrominated aromatic compound.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: March 20, 1979
    Assignee: Ethyl Corporation
    Inventors: Paul A. Zorzi, Thomas S. Allen, Michael E. Kucsma
  • Reinforced polypivalolactone
    Patent number: 4116922
    Abstract: Improved thermoplastic compositions comprising glass fibers blended with polypivalolactone, and a process for producing these compositions.
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: September 26, 1978
    Assignee: Ethyl Corporation
    Inventors: Edwin D. Hornbaker, Jesse D. Jones, Michael E. Kucsma, Thomas S. Allen
  • Polypivalolactone molding compounds
    Patent number: 4089838
    Abstract: Improved thermoplastic compositions comprising a particulate reinforcing filler blended with polypivalolactone, and a process for producing these compositions.
    Type: Grant
    Filed: July 18, 1977
    Date of Patent: May 16, 1978
    Assignee: Ethyl Corporation
    Inventors: Edwin D. Hornbaker, Jesse D. Jones, Michael E. Kucsma, Thomas S. Allen
  • Fluid tank sounding tube check valve
    Patent number: H438
    Abstract: A shipboard fuel tank sounding tube that allows safer operation by preveng overflow of the fuel tank during filling yet allows the passage of depth sounding rods and sampling probes wherein a light weight floating ball check value located on a prescribed path near the top of the tank is lifted upon filling of the tank, to a seated position yet is shifted upon entrance of a depth sounding rod and sampling probe to check tank fullness.
    Type: Grant
    Filed: May 2, 1986
    Date of Patent: March 1, 1988
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Janis I. Viksne, Thomas S. Allen