Patents by Inventor H. T. Stevens

H. T. Stevens 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).

  • Drive trucks
    Patent number: 4062296
    Abstract: A bridge truck assembly for cranes and the like is provided having at least two in-line wheels on a side engaging a trackway, a prime mover drivingly connected to one wheel and a pair of rotatable drive members engaging the circumference of both said in-line wheels on opposite sides of the center line between them and urged together into engagement with said wheels by resilient means.
    Type: Grant
    Filed: July 9, 1976
    Date of Patent: December 13, 1977
    Assignee: The Alliance Machine Company
    Inventors: Arthur K. Barnes, H. T. Stevens