Patents by Inventor Billy Chambers

Billy Chambers 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).

  • Soft start drive for mobile refrigeration unit
    Patent number: 8723458
    Abstract: A system for driving a three phase motor using a variable speed drive in communication with an alternator driven by a prime mover. A rectifier can be connected with the alternator. The system can also include a logic and alternator field drive configured to sense voltage leaving the rectifier and controlling the alternator to maintain a predetermined output from the rectifier.
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: May 13, 2014
    Inventor: Billy Chambers