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DE19747468C1
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Pipe clamp for manipulating double pipe strings
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GB9617538D0
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Positioning device
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GB9525225D0
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Apparatus for gripping a pipe
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GB9517934D0
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Testing threaded joints and threaded members for leaks
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GB9509657D0
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Power tongs
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GB9416567D0
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Instrument housing for use in hazardous areas
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DE4334378A1
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Device for aligning hanging loads
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GB9320919D0
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Apparatus for gripping a pipe
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DE4333513A1
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Safety gear on a drilling rig for the installation and removal of tubular elements, in particular for casing and delivery pipes
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GB9309958D0
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Device for protecting casing against corrosion
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EP0505721A1
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Apparatus for leak testing of pipe joints
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EP0512154A1
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Centralizer for casings and drill pipes
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EP0482158A1
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Device for transmitting forces to mobile bodies
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DE4024000A1
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Pipe centering basket with clamping device
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EP0338222A2
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Device for coating the inside of cylindrical hollow bodies
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DE3710443A1
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DEVICE FOR TESTING THE GAS-TIGHTNESS OF CAVITY WALLS
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DE3700384A1
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DEVICE FOR TESTING THE GAS TIGHTNESS OF CONNECTIONS BETWEEN HOLLOW BODIES
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DE3608814C1
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Device for checking the gas tightness of connections between pipe pieces
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DE3541922C1
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Pipe socket screwing machine
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EP0166082A1
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Torque limiting hydraulic circuit
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