Patents by Inventor Leonard J. Kucharski

Leonard J. Kucharski 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).

  • Spring wire formed tulip contact
    Patent number: 4072392
    Abstract: A spring wire formed tulip contact comprises cylindrical male and female members. The female member is formed by placing a plurality of spring wire fingers around the outer circumference of a cylindrical stud member in such a manner that the plurality of fingers extend axially outward from the stud to form a female contact sleeve. Each of the plurality of fingers are bent axially inward with respect to the stud in order that the innermost diameter of the female contact sleeve is smaller than the outer diameter of the male contact member. The plurality of fingers are held in firm electrical and mechanical contact with the stud member by a cylindrical retaining ring.
    Type: Grant
    Filed: September 22, 1976
    Date of Patent: February 7, 1978
    Assignee: Gould Inc.
    Inventors: Lorne D. McConnell, Leonard J. Kucharski
  • Downstream injection nozzle for puffer circuit interrupter
    Patent number: 3946180
    Abstract: The nozzle of a puffer type breaker is provided with a plurality of ports of different downstream lengths having different diameters and angles of entry which communicate from the region at generated high pressure into the arcing region within the nozzle.
    Type: Grant
    Filed: April 22, 1974
    Date of Patent: March 23, 1976
    Assignee: I-T-E Imperial Corporation
    Inventors: Gerald A. Votta, Leonard J. Kucharski