Patents by Inventor Alan G. Butcher

Alan G. Butcher 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 flow meter
    Patent number: 4216674
    Abstract: A temperature compensator for a liquid flow meter. A bellows unit is mounted in the conduit carrying the liquid measured and an output from the bellows unit is taken to a disc-and-wheel mechanical compensator by means of a flexible cable drive. An adjustable pivot lever coupling allows adjustment of the drive ratio to the compensator according to the nature of the liquid.
    Type: Grant
    Filed: February 3, 1978
    Date of Patent: August 12, 1980
    Assignee: Dresser Europe, S.A.
    Inventors: Alan G. Butcher, Chan-Po Wong