Patents by Inventor Mark A. Weitz

Mark A. Weitz 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: 5792966
    Abstract: A fluid flow measurement device utilizing an orifice element (18) with a low coefficient of thermal expansion, allowing for accurate measurements over a wide temperature range. The orifice element (18) is held in a flowing fluid by a housing (10) (12) (14) (16) (20) (22) (24) (26) (28) (30) (32) (34) (36) (38), assembled, which allows for the measurement of pressure upstream and downstream of the orifice element.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: August 11, 1998
    Inventors: Mark A. Weitz, Kevin L. Chartier