Patents by Inventor John C. Ahlborn, deceased

John C. Ahlborn, deceased 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).

  • Production of solid fuel-water slurries
    Patent number: 4304572
    Abstract: The pumpability of solid fuel-water slurries is improved by incorporation therein of small amounts of ammonia and a surface-active agent.
    Type: Grant
    Filed: November 25, 1977
    Date of Patent: December 8, 1981
    Assignee: Texaco, Inc.
    Inventors: Harry C. Wiese, John C. Ahlborn, deceased, by Lloyd K. Ahlborn, executor
  • Production of solid fuel-water slurries
    Patent number: 4088453
    Abstract: The pumpability of a solid fuel-water slurry is improved by the presence of a small amount of ammonia in the slurry.
    Type: Grant
    Filed: June 24, 1976
    Date of Patent: May 9, 1978
    Assignee: Texaco Inc.
    Inventors: Harry C. Wiese, Jerrold R. Denchfield, John C. Ahlborn, deceased, by Lloyd Keys Ahlborn, executor