Patents by Inventor Dariusz Firchal

Dariusz Firchal 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).

  • Device for puncturing
    Patent number: 5356420
    Abstract: A puncturing device which includes a sleeve (1), a push-button (2) mounted on one end of the sleeve (10), a piston (5) which has a puncturing tip (7) and is mounted in the sleeve (1), and a power spring (9) placed inside the sleeve (1) between the face (8) of the push-button (2) and the piston (5). The piston (5) has on its outside perimeter wings (11) which rest against the internal projection (12) of the sleeve (1). A return spring (10) is located inside the sleeve (1) between its bottom (3) with the hole (4) for the puncturing tip (7) and the piston (5).
    Type: Grant
    Filed: July 26, 1993
    Date of Patent: October 18, 1994
    Assignee: Przedsiebiorstwo Zagraniczne HTL
    Inventors: Andrzej Czernecki, Dariusz Firchal, Marek Krolikowski