Patents by Inventor Fred Rodenhiser

Fred Rodenhiser 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).

  • Apparatus and method for preventing an electrical backfeed
    Patent number: 7446437
    Abstract: At least one aspect is directed to a transfer switch including a first input to couple a first multiphase low voltage electrical supply to the transfer switch, and a second input to couple a second multiphase low voltage electrical supply to the transfer switch. The transfer switch also includes a first set of switches in electrical communication with the first input and a second set of switches in electrical communication with the second input. A control module monitors and controls operation of both the first set of switches and the second set of switches to detect a malfunction of any switches included in at least one of the first set of switches and the second set of switches and prevent the first input from being placed in electrical communication with the second input.
    Type: Grant
    Filed: July 22, 2005
    Date of Patent: November 4, 2008
    Assignee: American Power Conversion Corporation
    Inventors: Namwook Paik, Jamie Donalds, Emanuel Landsman, Vishwas Deokar, Fred Rodenhiser, Steve Williams
  • Apparatus and method for preventing an electrical backfeed
    Publication number: 20070018506
    Abstract: At least one aspect is directed to a transfer switch including a first input to couple a first multiphase low voltage electrical supply to the transfer switch, and a second input to couple a second multiphase low voltage electrical supply to the transfer switch. The transfer switch also includes a first set of switches in electrical communication with the first input and a second set of switches in electrical communication with the second input. A control module monitors and controls operation of both the first set of switches and the second set of switches to detect a malfunction of any switches included in at least one of the first set of switches and the second set of switches and prevent the first input from being placed in electrical communication with the second input.
    Type: Application
    Filed: July 22, 2005
    Publication date: January 25, 2007
    Applicant: American Power Conversion Corporation
    Inventors: Namwook Paik, Jamie Donalds, Emanuel Landsman, Vishwas Deokar, Fred Rodenhiser, Steve Williams
  • Apparatus and method for preventing an electrical backfeed
    Patent number: RE43177
    Abstract: At least one aspect is directed to a transfer switch including a first input to couple a first multiphase low voltage electrical supply to the transfer switch, and a second input to couple a second multiphase low voltage electrical supply to the transfer switch. The transfer switch also includes a first set of switches in electrical communication with the first input and a second set of switches in electrical communication with the second input. A control module monitors and controls operation of both the first set of switches and the second set of switches to detect a malfunction of any switches included in at least one of the first set of switches and the second set of switches and prevent the first input from being placed in electrical communication with the second input.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: February 14, 2012
    Assignee: American Power Conversion Corporation
    Inventors: Namwook Paik, James Donalds, Emanuel Landsman, Vishwas Deokar, Fred Rodenhiser, Stephen G. Williams