Patents by Inventor Andrew Martin Storrar

Andrew Martin Storrar 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).

  • Flow meter having cylinders with freely movable pistons therein
    Patent number: 6032528
    Abstract: The invention relates to a flow meter and in particular to a flow meter suitable for connection into a fluid conduit. The flow meter has an inlet and an outlet for connection into a fluid line and includes interconnected cylinders, each cylinder having a plurality of ports controlled by a piston axially-movable therein such that at any time the inlet and outlet are in fluid communication by a fluid pathway which includes two cylinders characterized in that there are three interconnected cylinders.
    Type: Grant
    Filed: August 31, 1998
    Date of Patent: March 7, 2000
    Inventor: Andrew Martin Storrar