Patents by Inventor Steven W. Tanis

Steven W. Tanis 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).

  • Inverted weir for conduit
    Patent number: 5005428
    Abstract: A method and apparatus for installing a weir to divert fluid flowing in a conduit and to convert potential fluid energy to kinetic energy.
    Type: Grant
    Filed: February 14, 1990
    Date of Patent: April 9, 1991
    Inventor: Steven W. Tanis
  • Flow meter
    Patent number: 4961349
    Abstract: Fluid flow measurement apparatus. The apparatus reduces the normal cross sectional area of a portion of the conduit and produces laminar fluid flow through the portion of the conduit having a reduced cross sectional area. The hydraulic grade differential is determined between the fluid pressures in the reduced cross sectional area and the pressure of fluid flowing through a portion of the conduit having a normal cross sectional area.
    Type: Grant
    Filed: September 15, 1989
    Date of Patent: October 9, 1990
    Inventor: Steven W. Tanis