Patents by Inventor Randall R. Hubbell

Randall R. Hubbell 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).

  • Solid girdle hoop for an air spring and method of assembly
    Patent number: 6361028
    Abstract: A fluid device such as an air spring includes a pair of parallel spaced end members and an elastomeric sleeve interposed therebetween to define a fluid pressure chamber therein. A girdle hoop is formed of cold rolled solid steel in a toroidal configuration and is molded into the elastomeric sleeve parallel and preferably spaced equidistant from the end plates.
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: March 26, 2002
    Assignee: Bridgestone/Firestone, Inc.
    Inventor: Randall R. Hubbell