Patents by Inventor William Francis Randell

William Francis Randell 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: 6276674
    Abstract: An elastomeric spring (10) comprises a body (11) of elastomeric material which extends between a pair of opposed end regions (12, 13) whereby compression forces acting in a first direction (16) on said end regions are resisted by compression of the elastomeric body, the body (11) of elastomeric material being of a substantially symmetrical shape as considered in cross section about a major axis (16) of the spring extending in said first direction, and substantially hollow in the vicinity of at least one (13) of said end regions, said body (11) of elastomeric material being of progressively increasing external cross-sectional dimension over a first part (21) of the length of the body extending from a first (32) of said end regions and of progressively decreasing external cross-sectional dimension over a second part (22) of the length of the body extending to a second (13) of said end regions, a substantially inextensible reinforcement member (17) embedded in and bonded to said body (11) of elastomeric material
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: August 21, 2001
    Assignee: BTR Industries Ltd.
    Inventor: William Francis Randell