Patents by Inventor Brian S. Jeffery

Brian S. Jeffery 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).

  • Method of operating a compaction roller assembly, and a compaction roller assembly
    Patent number: 4147448
    Abstract: A compaction roller assembly and a method of operating it. The assembly comprises a draw frame and a non-circular lobed compaction roller connected via its axle to the draw frame. The assembly has restraint means mounted on the frame which is slidably engageable during rolling with one or both of the roller ends, and the method involves slidingly engaging the roller ends during rolling with the restraint means, to restrain undesired movement of the roller relative to the frame.
    Type: Grant
    Filed: May 12, 1978
    Date of Patent: April 3, 1979
    Assignee: The South African Inventions Development Corporation
    Inventor: Brian S. Jeffery