Patents by Inventor Carl L. Poninski

Carl L. Poninski 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).

  • Battery charger circuit
    Patent number: 4672295
    Abstract: A battery charger circuit having a main transformer and a boost transformer. The main transformer supplies power to produce a DC main charging current at the circuit output for charging a battery. The boost transformer supplies power to produce a DC trickle charging current at the circuit output. The power rating of the boost transformer is a small percentage of that of the main transformer.
    Type: Grant
    Filed: August 1, 1985
    Date of Patent: June 9, 1987
    Assignee: Motor Appliance Corporation
    Inventor: Carl L. Poninski