Patents by Inventor Carl G. Zemels

Carl G. Zemels 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).

  • Electric elbow connector
    Patent number: 3998520
    Abstract: An electric elbow connector comprises an L-shaped hollow housing structure formed of insulating material and of semi-conducting material which contains an elongated contact sleeve having a hollow sleeve portion at one end and an integral shank at the other end, the shank having an outer end portion of substantially larger transverse dimension than its inner portion and the outer portion of the shank being of a hardness considerably greater than the hardness of the inner portion of the shank and of the hollow end portion of the contact sleeve, and a contact pin in electric contact with the hard outer end portion of the shank of the contact sleeve and disposed within the housing.
    Type: Grant
    Filed: November 13, 1975
    Date of Patent: December 21, 1976
    Assignee: Kearney-National, Inc.
    Inventor: Carl G. Zemels