Patents by Inventor Tibor Lenart

Tibor Lenart 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).

  • Recharging accumulator batteries
    Patent number: 4243929
    Abstract: The voltage of a unit for recharging an accumulator battery is reduced to a low level when the battery is in a charged state as determined by a predetermined fall in the trickle charging current. When the charged state of the battery is no longer maintained as determined by a fall in battery voltage below the low voltage level and a predetermined increase in trickle charging current, the voltage of the unit changes to a high level.
    Type: Grant
    Filed: January 17, 1978
    Date of Patent: January 6, 1981
    Assignee: Aktiebolaget Multilab
    Inventor: Tibor Lenart