Patents by Inventor John Polny

John Polny 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: 10759325
    Abstract: The vehicle towing apparatus for use with a hook truck comprises a tow bar, a left chain, and a right chain. The front end of the tow bar comprises either a pintle hook or a lunette ring for coupling to a tow vehicle. By way of example and not of limitation, the tow vehicle may be a hooklift truck. The tow bar comprises a first section and a second section, which are slidably coupled to each other. The overall length of the tow bar may be fixed by inserting a lock pin through the tow bar. The left and right chains are safety chains that may connect between the sides of the tow bar and the tow vehicle. The vehicle towing apparatus for use with a hook truck may further comprise a clevis tow bar adapter for use with a hitch receiver of a towed vehicle.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: September 1, 2020
    Inventor: John Polny