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Method and means for laying an underwater pipeline
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Method of forming flooring in tunnels
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Flow-adjusted hydraulic rotary machine
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Case construction for multi-stage pump
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High pressure shaft seal
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Explosively actuated overspeed decoupler
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Torque limiting system and method
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Barge unloading device
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Pavement grooving apparatus
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Concrete joint form inserter
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Concrete joint form
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Pump with removable bearing and seal assembly
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Backfill machine
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Weep valve with inserting device
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Long rotor hydroturbine pump with single end port plug
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Pump lubrication system
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Improvements in or relating to a shaft seal
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Pile driving apparatus
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High pressure shaft seal and method of sealing a rotating shaft using proportioned sealing rings
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Ladle lining apparatus
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