Patents by Inventor Sanjay Khandalkar

Sanjay Khandalkar 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).

  • Compact vacuum interrupter with selective encapsulation
    Patent number: 9214292
    Abstract: A vacuum interrupter is disclosed with a fixed contact and a movable contact placed axially in a spaced apart relationship. The ceramic insulator cylinders each surround the fixed contact and the movable contact. A floating shield within the ceramic cylinders has a floating potential flange disposed between the two ceramic cylinders, and exposed to external ambient. Encapsulation for at least one contact terminal extends from a metallic end cap of the corresponding contacts to cover a respective ceramic cylinder by an overlapping distance.
    Type: Grant
    Filed: April 1, 2013
    Date of Patent: December 15, 2015
    Assignee: ABB TECHNOLOGY LTD
    Inventors: Hrishikesh S. Bramhapurikar, Dukkaiappan Subbiahthever, Shashikant R. Ahire, Sanjay Khandalkar, Venkatesan Prabaharan, Ramesh Viswanathan, Yogesh B. Hingane