Patents by Inventor Haresh C. Patel

Haresh C. Patel 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).

  • System for switching a load between two sources
    Patent number: 4262214
    Abstract: A system is disclosed for switching a load between two ac sources wherein no degree of synchronization therebetween is required and wherein the switching is accomplished with the use of two electro-mechanical relays each having a three pole, double throw contact arrangement. Furthermore, this load switching is accomplished without the production of any interpower currents between the two sources.
    Type: Grant
    Filed: October 9, 1979
    Date of Patent: April 14, 1981
    Assignee: The Foxboro Company
    Inventor: Haresh C. Patel