Patents by Inventor Harold Arnold Price

Harold Arnold Price 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).

  • Liquid delivery system
    Patent number: 4074734
    Abstract: A system is provided for delivering any of two or more liquids from their respective storage tanks into a tank truck or the like while avoiding contamination of the liquid being delivered with any significant amount of a previously delivered liquid. Means are provided for collecting vapor from the tank truck and for minimizing evaporation losses of the liquid being delivered.
    Type: Grant
    Filed: July 20, 1976
    Date of Patent: February 21, 1978
    Assignee: Union Oil Company of California
    Inventors: Gerard Anthony De Beau, Harold Arnold Price