Patents by Inventor Russell Neil Evans

Russell Neil Evans 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).

  • Tip flow barrier for a pitot tube type of fluid flowmeter
    Patent number: 6164143
    Abstract: A device and method provide improved measurement of flow through an enclosed channel, such as a pipe. A flow measurement device, such as a differential pressure sensing pitot tube, includes a pressure sensing probe that is inserted into the pipe for measuring the rate of fluid flow therein. A compressible or elastic barrier is attached to the distal end of the sensing probe to fill the space between the tip end of the sensing probe and the nearby portion of the inside wall of the fluid carrying pipe. The resilient barrier prevents undesirable fluid flow between the tip end of the sensing probe and the inside wall of the pipe.
    Type: Grant
    Filed: August 8, 1998
    Date of Patent: December 26, 2000
    Assignee: Dieterich Standard, Inc.
    Inventor: Russell Neil Evans