Vermeer Manufacturing Company, Inc.

ReneMarcel Albert

Randy Ray Runquist

James Richard Rankin

Mark Van Houwelingen

A drill head for an apparatus for horizontal directional drilling. The drill head includes a device for detecting angular orientation, a holder for the device for detecting angular orientation, the device for detecting angular orientation being disposed therein, a hammer driven by a liquid and a drill bit. The holder, the hammer and the drill bit are connected head to tail along a longitudinal axis of a drill string with the holder at a proximate end of the drill head and the drill bit at a distal end of the drill head.

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Begijnendijk, Belgium

ReneMarcel Albert