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GB191400472A
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Improvements in Channel Bends and the like for Inspection Chambers.
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GB191400473A
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Improvements in Traps for General Sanitary Appliances.
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GB191029680A
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Improvements in Locking Stopper Valves for Resisting Back Pressure from Pent Up Sewer Gases.
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GB191021855A
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Improvements in or connected with Traps for Sinks, Lavatory Basins, Baths and the like.
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GB191015485A
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Improvements in and relating to Water Closet Basins.
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GB190926009A
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Improvements in or connected with Interceptors, Gulleys, Grease and other Traps and the like.
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GB190924214A
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Improvements in or connected with Benchings and Pipes for use in the Construction of Sewerage Inspection and like Chambers.
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GB190824791A
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Improved Chemical Testers for Drains and General Sanitary Arrangements.
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GB190815594A
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Improved Locking Stopper Valve for Releasing Flooded Chambers & Resisting Back Pressure in Interceptors & Drains.
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GB190414826A
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Improved Cones for Connecting the Flush Pipes to the Inlet Arms of Water Closet Basins
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GB190005790A
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Improvements in Air Pumps and Smoke Generating Machines for Testing Drains and General Sanitary Fixtures.
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GB189518399A
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Improvements in Access to and Ventilation of Drains with Reducing Sockets for Soil and other Pipes.
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GB189414133A
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Improvements in Interceptor Traps and Channels for Sewers and Drains.
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