Patents by Inventor Franklin R. Welch

Franklin R. Welch 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).

  • Power tap-off unit for use at a single-bolt joint in a busway system
    Patent number: 4009920
    Abstract: A branch electrical connection is made at any selected joint of a busway run without disturbing the joint connection in any manner apart from removing a side housing cover plate. A unitary connector assembly is plugged into the exposed side of the joint and bolted to the bus duct housing using the existing bolt holes provided for the joint cover.
    Type: Grant
    Filed: April 26, 1976
    Date of Patent: March 1, 1977
    Assignee: Cutler-Hammer, Inc.
    Inventors: Loy A. Hicks, Jr., Franklin R. Welch