Patents by Inventor Craig Waters

Craig Waters 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).

  • Variable area meter insert unit
    Patent number: 4245513
    Abstract: A variable area meter unit is described which is self-contained to provide a meter tube in an enclosure and facilitate insertion and location of the tube in a standard support frame. The enclosure can be manufactured with a viewing face consisting of a lens to improve readability through single axis magnification. Additionally, a high pressure release panel can form another side of the enclosure to direct any blow-outs in a preferred direction.
    Type: Grant
    Filed: February 5, 1979
    Date of Patent: January 20, 1981
    Assignee: Will Ross, Inc.
    Inventors: Thomas W. Clements, E. Craig Waters
  • Variable area metering tube and method of manufacture
    Patent number: 4194386
    Abstract: A variable area metering tube is described having a non-linear graduated measuring scale wherein the scale compensates for non-standard variations in the cross-sectional flow area of the metering tube.
    Type: Grant
    Filed: April 17, 1978
    Date of Patent: March 25, 1980
    Assignee: G. D. Searle & Co.
    Inventor: E. Craig Waters
  • Needle valve assembly
    Patent number: 4019534
    Abstract: A low flow needle valve assembly is described having a non-metallic valve stem guide and a cross-flow system such that fluid flow occurs over only metallic metering surfaces. The valve assembly is particularly advantageous in view of its low cost and its smooth, non-reversing flow characteristics which result in precise control of extremely low fluid flow rates.
    Type: Grant
    Filed: October 6, 1975
    Date of Patent: April 26, 1977
    Assignee: Will Ross, Inc.
    Inventors: Thomas W. Clements, E. Craig Waters
  • Flowmeter
    Patent number: D283804
    Type: Grant
    Filed: December 2, 1983
    Date of Patent: May 13, 1986
    Assignee: Matheson Gas Products, Inc.
    Inventor: Craig Waters
  • Flowmeter
    Patent number: D283805
    Type: Grant
    Filed: December 2, 1983
    Date of Patent: May 13, 1986
    Assignee: Matheson Gas Products, Inc.
    Inventor: Craig Waters
  • Flowmeter
    Patent number: D287343
    Type: Grant
    Filed: November 21, 1985
    Date of Patent: December 23, 1986
    Assignee: Matheson Gas Products, Inc.
    Inventor: Craig Waters