Patents by Inventor Carlo Stagnoli

Carlo Stagnoli 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: 6317970
    Abstract: A clip crimping tool includes a body provided with a hollow air storage area and a drive section provided with piston cylinder and a piston, and having a main valve with a diameter that is larger than the piston cylinder and is arranged with the drive section is in line or at an angle with a contact section in which clips are crimped. The air storage area and the arrangement of the main valve and piston cylinder allow the free flow of compressed air into the piston cylinder to provide a fast and efficient drive action.
    Type: Grant
    Filed: April 28, 2000
    Date of Patent: November 20, 2001
    Assignee: Sigma Tool & Machine
    Inventors: Herbert E. Leistner, Carlo Stagnoli
  • Patent number: 6183181
    Abstract: A Tee-nut fastener device having a tubular threaded sleeve and a flange around one end of the sleeve and a through bore extending from one end of the sleeve to the other, and a closure sealing the flange end of the sleeve while leaving the opposite end of the sleeve open.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: February 6, 2001
    Assignee: Sigma Tool & Machine
    Inventors: Herbert E. Leistner, Carlo Stagnoli