Patents by Inventor Zbigniew Rogowski

Zbigniew Rogowski 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).

  • Power operated piston tool with piston automatic return
    Patent number: 6824035
    Abstract: The present invention provides a defect-less and easy to operate power actuated piston tool with automatic piston return, designated for driving fasteners into a base like masonry, concrete, wood or the like. The tool according to the invention is characterized by that on piston shank (11) of piston (1), there is an elastic returning bush (7), situated between piston head (12) and fastener guide (5), said returning bush (7) is a one-piece in shape of bellow, made of elastomeric material, of regularly variable diameter.
    Type: Grant
    Filed: July 7, 2000
    Date of Patent: November 30, 2004
    Inventors: Marek agodziński, Bogusawa agodzińska, Zbigniew Rogowski