Patents by Inventor William V. Rush

William V. Rush 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).

  • Rod loader with transfer member raised and lowered in concert with rod lift
    Patent number: 6474932
    Abstract: A horizontal directional drilling machine including a magazine, a feed member for indexing rods to and from the magazine, a rotational drive head for propelling rods into the ground, and a transfer mechanism for moving the rods between the rotational drive head and the feed member. The transfer mechanism includes a rod holder for holding the rods, and a drive mechanism for moving the holder between the rotational drive head and the feed member. The drilling machine also includes a lift unit for raising and lowering rods held within the columns of the magazine. The transfer mechanism is raised and lowered in concert with the lift unit.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: November 5, 2002
    Assignee: Vermeer Manufacturing Company
    Inventor: William V. Rush