Patents by Inventor David L. Seid

David L. Seid 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).

  • Patent number: 5845667
    Abstract: A pressure regulating variable force solenoid fluid control valve for regulating the pressure of a pressurized fluid in a fluid control system in proportion to the current level of an electrical input signal comprises a supply port for receiving pressurized fluid, a control port in fluid flow communication to the supply port via a primary orifice, the control port communicating with an external component, such as a hydraulic automobile transmission component to control operation thereof, and a variable force solenoid actuated valve that cooperates with a valve seat receiving pressurized fluid from the primary orifice to control flow of pressurized fluid to one or more exhaust ports as a means to regulate pressure at the control port in dependence upon electrical current to a coil of the solenoid actuated valve.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: December 8, 1998
    Assignee: Saturn Electronics & Engineering, Inc.
    Inventors: Hamid Najmolhoda, David L. Seid, David A. Nezwek