Patents by Inventor Baldip Singh Sidhu

Baldip Singh Sidhu 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).

  • Vortex diodes
    Patent number: 4112977
    Abstract: A vortex diode having a thin cylindrical vortex chamber with an axial port and at least one tangential port. The chamber is provided with a peripheral channel and the diameter of each tangential port is substantially equal to the diameter of the peripheral channel.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: September 12, 1978
    Inventors: Nicholas Syred, John Grant, Baldip Singh Sidhu