Patents by Inventor John L. Beilman

John L. Beilman 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).

  • Fluid speed measuring apparatus
    Patent number: 4074570
    Abstract: This invention relates to low range fluid speed sensors for the measurement of fluid currents in any direction, down to near zero velocity for dense fluids. Two signals with a 90.degree. space phase relationship are used which permits the instantaneous resolution of the fluid speed vector into its two orthogonal components.
    Type: Grant
    Filed: March 15, 1977
    Date of Patent: February 21, 1978
    Assignee: Calspan Corporation
    Inventors: John L. Beilman, William R. Deazley
  • Fluid speed indicating apparatus and densitometer
    Patent number: 4065957
    Abstract: Fluid density is measured in a fluid speed indicating apparatus by using a pair of rotor arms having a pair of asymetrically located venturis or equivalent venturis. A steady state pressure difference will be produced between the two pressure locations and will be a function of the rotational velocity and fluid density. Since the rotational velocity is a known constant, the fluid density can be derived directly from the steady state pressure difference.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: January 3, 1978
    Assignee: Calspan Corporation
    Inventor: John L. Beilman