Patents by Inventor James R. Schultheis

James R. Schultheis 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).

  • Self-contained vehicle battery charger
    Patent number: 4109193
    Abstract: The present unit has a dielectric housing with metal prongs or blades for plug-in insertion into a conventional A.C. power socket, a step-down transformer and a rectifier in the housing, a closely coiled power cord extending from the housing, and a plug at the opposite end of the power cord for plug-in insertion into the usual cigarette lighter socket in a car. A selector switch, either in the housing or the plug, selects the charging rate. An LED or a meter is provided in the plug to indicate visually when the car battery is being charged.
    Type: Grant
    Filed: January 3, 1977
    Date of Patent: August 22, 1978
    Assignee: Timco Engineering, Inc.
    Inventor: James R. Schultheis