Patents by Inventor William B. Felegyhazi, Sr.

William B. Felegyhazi, Sr. 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).

  • Means for distinguishing between batteries capable of being fast charged and other batteries and for charging same accordingly
    Patent number: 5057761
    Abstract: A battery charger for charging secondary drycell type batteries having a compartment portion with positions for installing secondary drycell batteries to be charged, the drycell batteries having cylindrical bodies with terminals at both ends, the terminal at one end being centrally located, the compartment including an elongated channel having opposite ends, a contact at one end of the channel for engagement by the central terminal on batteries positioned therein and a spring biased plate member in the channel for engaging the terminal at the opposite end of the channel urging the centrally located terminal into engagement with the contact, the contact having an opening therethrough aligned with the centrally located battery terminal, and a switch with a switch actuating member positioned adjacent to the contact on one side of the opening, batteries having centrally located terminals that are small enough to move through the opening in the contact moving against and actuating the switch actuator member to act
    Type: Grant
    Filed: January 11, 1990
    Date of Patent: October 15, 1991
    Assignee: Eveready Battery Company, Inc.
    Inventor: William B. Felegyhazi, Sr.