Patents by Inventor Charles R. Beavens

Charles R. Beavens 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).

  • Patent number: 3961901
    Abstract: Alkylation-acid end point detector for measuring the titratable acidity of the acid. It employs an electrical titration cell to generate a potential that is related to the acidity pH of the acid. It amplifies and differentiates the potential followed by amplifying the first derivative signal to produce a sharp acid end point signal without using a second derivative.
    Type: Grant
    Filed: December 23, 1974
    Date of Patent: June 8, 1976
    Assignee: Texaco Inc.
    Inventors: Charles R. Beavens, Kenneth O. Higgs