Patents by Inventor Jerry Frank

Jerry Frank 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).

  • Patent number: 7106078
    Abstract: The present invention is a method of and an apparatus for measuring resistances of at least one transformer winding (109) in configurations of connected transformers windings. The method is based on increasing driving power from the source of electrical energy (12, 102) until the current reaches a predetermined level, which is below the core saturation current level of the measured transformer or the measuring device current limit, and then controls the power of the source of the electrical energy to maintain predetermined current flowing through the at least one winding over a time period sufficient to cause a L di/dt contribution to a voltage drop across the at least one winding to decrease below a threshold level. The apparatus measures simultaneously the constant current flowing in the at least one winding and the voltage drop over the at least one winding after the predetermined time period has elapsed.
    Type: Grant
    Filed: August 3, 2005
    Date of Patent: September 12, 2006
    Assignee: James G. Biddle Company
    Inventors: Jerry Frank, Eugene Gilman
  • Patent number: 6030284
    Abstract: A coin counting and sorting machine has a coin lifting device with an open bowl for receiving and forwarding an unsorted mass of coins, a sorting device for sorting coins being supplied thereto, and a coin transferring device for transferring the coins from the coin lifting device to the coin sorting device while establishing an order among the coins suitable for sorting and counting. The coin transferring device is provided with a first and a second element between which a transportation channel for the coins is disposed, wherein the first element is movable with respect to the second element so as to effect the transferring of the coins, and with a resilient device arranged with the transportation channel for pressing the coins against the first, movable element with a locally increased coin transferring speed as a result.
    Type: Grant
    Filed: June 8, 1998
    Date of Patent: February 29, 2000
    Assignee: Scan Coin AB
    Inventor: Jerry Frank