Patents by Inventor John J. Napiorkowski

John J. Napiorkowski 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).

  • Voltage surge suppressor
    Patent number: 4628394
    Abstract: A transient voltage surge suppressor for an AC powerline comprises two semiconductor voltage limiting devices before a low pass LC filter and a third semiconductor voltage limiting device after the filter. The suppressor can be plugged into a 120 volt receptacle for protection of sensitive electronic equipment.
    Type: Grant
    Filed: September 27, 1984
    Date of Patent: December 9, 1986
    Assignee: GTE Products Corporation
    Inventors: John J. Crosby, John J. Napiorkowski
  • Telephone network interface connector
    Patent number: 4588238
    Abstract: A telephone interface connector comprises a plug inserted into a jack and protected against the environment by a resilient sealing member. Encapsulants seal the wires at the points at which the wires exit the plug and the jack.
    Type: Grant
    Filed: December 19, 1984
    Date of Patent: May 13, 1986
    Assignee: GTE Products Corporation
    Inventors: N. Peter Mickelson, John J. Napiorkowski
  • Transient voltage surge suppressor
    Patent number: 4584622
    Abstract: A transient voltage surge suppressor for an AC powerline comprises two semiconductor voltage limiting devices before a low pass LC filter and a third semiconductor voltage limiting device after the filter. The suppressor can be plugged into a 120 volt receptacle for protection of sensitive electronic equipment.
    Type: Grant
    Filed: July 9, 1984
    Date of Patent: April 22, 1986
    Assignee: GTE Products Corporation
    Inventors: John J. Crosby, John J. Napiorkowski
  • Telephone network interface device
    Patent number: D291081
    Type: Grant
    Filed: January 13, 1986
    Date of Patent: July 28, 1987
    Assignee: GTE Products Corporation
    Inventors: N. Peter Mickelson, John J. Napiorkowski