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GB464658A
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Mechanical apparatus for boring below roadways, or through banks, for the insertion of pipes, cables, and the like therein
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GB440292A
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Apparatus for cutting pipes and such like
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GB426660A
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Means for producing tapered and parallel screw threads upon pipes or such like
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GB383379A
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Improvements in and connected with collapsible and expansible spring or flexible devices for use with gas main or like stoppers
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GB374649A
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Improvements in or connected with gas main or such like stoppers
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GB354422A
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Apparatus for drilling, or drilling and tapping, pipes, branch mains, connections, valves, fittings, used with gas or water service and such like
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GB317997A
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Pipe cutting, joint removing, or caulking apparatus
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GB282949A
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Apparatus for applying fittings to service pipes or mains conveying fluid and whilst under pressure
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GB272345A
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Improvements in split collars, split clip branches or split sockets or the like usedin connection with water or gas service
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GB236315A
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Improvements in the method of and means for providing gas and water mains, and the like with stop valves without interruption of service
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GB140935A
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Improvements in pipe cutters
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