Patents by Inventor Jerzy J. Wilentchik

Jerzy J. Wilentchik 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: 5165533
    Abstract: A screw operated electrical contact device having at least one pair of electrical conductors disposed on and projecting evenly above a dielectric surface, an insulation gap separating said conductors from each other, a nut attached to or part of the dielectric surface, having a center axis perpendicular to the surface aligned with the gap, a screw in threaded engagement with the nut, the screw being adapted to be moved along the length of the axis as it is rotated about the axis in the nut, and a contact dimensioned to bridge the gap, mounted fixedly and insulatingly in the screw, adapted to connect the conductors electrically together by exerting simultaneous pressure on both of them as a result of advancement of the contact toward the surface caused by the screw being rotated about the axis.
    Type: Grant
    Filed: April 18, 1988
    Date of Patent: November 24, 1992
    Assignee: Consolidated Resource Corp. of America, Inc.
    Inventors: Jerzy J. Wilentchik, deceased, by Rose Waldorf, executrix, by Murray Sender, executor
  • Patent number: 3971903
    Abstract: A bank of PC board mounted low-power electric switches applicable to variety of functions is packaged in a common enclosure. The switches have a common matrix but are controlled independently of each other by respective sliders displaceable due to space limitations by pointed objects.
    Type: Grant
    Filed: November 25, 1974
    Date of Patent: July 27, 1976
    Inventor: Jerzy J. Wilentchik