Patents by Inventor Theodorus Gerhardus Wilhemus Van Stein

Theodorus Gerhardus Wilhemus Van Stein 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).

  • Device and method for transferring vibrating movement to rigid pipe with pipe clamp for vibrator rammer block
    Patent number: 6582158
    Abstract: A Device for transferring a vibrating movement to a rigid pipe for letting it penetrate into or removing it from a bed in upright or inclined position, comprises a clamping member for clampingly holding the upper end of the pipe for transfer of the vibrating movements thereto. The clamping members can be biased away from each other for clampingly engaging—exclusively—the inner surfaces of the pipe. The device further comprises a body to be attached to a vibrator block. The clamping members form a rigid unity with the body, considered in the axial direction of the pipe.
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: June 24, 2003
    Assignee: IHC Handling Systems
    Inventor: Theodorus Gerhardus Wilhemus Van Stein