Patents by Inventor Anjan Asthana

Anjan Asthana 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).

  • Dual slope flow control valve
    Patent number: 5462253
    Abstract: A fluid flow control valve actuated by a solenoid to selectively position the valve by balancing electromagnetic forces, spring forces and fluid forces within the valve. The valve includes a plurality of flow control orifices in series that provide flexible dual slope flow performance characteristics, precise flow control and high flow capability directed to use as a vehicle's evaporative emission control system purge valve.
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: October 31, 1995
    Assignee: General Motors Corporation
    Inventors: Anjan Asthana, James P. Henry, Melissa A. Hamilton