Patents by Inventor Brian Hilgert

Brian Hilgert 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).

  • Continuously installable/removable collector trolley
    Patent number: 6805226
    Abstract: A continuously installable/removable collector trolley includes a plurality of selectively extendable and retractable bearing assemblies. The bearing assemblies may be retracted to permit insertion and removal of the trolley into a conductor bar track at any point along the track. The bearing assemblies may then be extended to secure the trolley within the track, and to permit the bearings to roll along the track, permitting movement of the trolley.
    Type: Grant
    Filed: February 7, 2003
    Date of Patent: October 19, 2004
    Assignee: Universal Electric Corporation
    Inventors: Steven L. Ross, Brian Hilgert