Patents by Inventor Richard Alan Ruskey

Richard Alan Ruskey 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: 7562749
    Abstract: A roller guide for guiding the movement of an elevator car along guide rails disposed in a shaft or hoistway. The roller guide includes a base, a plurality of rollers and a plurality of support arms that rotatably support the rollers. An isolation assembly may be provided to reduce the transmission of undesired forces to the elevator car through the rollers, support arms and the base of the roller guide.
    Type: Grant
    Filed: May 4, 2004
    Date of Patent: July 21, 2009
    Assignee: Elevator Safety Company
    Inventors: Timothy Theodore Race, Sr., Richard Alan Ruskey, William Paul Sturm, III