Patents by Inventor Lenin Prakash

Lenin Prakash 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).

  • DEVICE AND METHOD TO MONITOR ELECTRICAL CONTACT STATUS
    Publication number: 20110062960
    Abstract: A method and apparatus for generating a status of an electrical contact pair in an electromagnetic switch by triggering an armature movement at a substantially consistent electrical phase angle, determining a magnetic lag angle between the electromagnetic switch closing and the electrical contact pair change of state, and generating a contact status using the magnetic lag angle is provided
    Type: Application
    Filed: September 15, 2009
    Publication date: March 17, 2011
    Inventors: Lenin Prakash, John Dougherty, Srinivasan Jeganathan, Sirosh Sivasankaran, G. Kalyana Sundaram