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GB136583A
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Improvements in Fluid and or Air Direct Pressure Lifting and Forcing Apparatus for Solids and Semi Solids.
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GB117643A
|
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Improvements in Direct Fluid-pressure Actuated Apparatus for Raising and Forcing Liquids and Semi Solids.
|
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GB191420983A
|
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Improvements in Sewage Distributors.
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GB191309721A
|
|
Improvements in Centrifugal Pumping Apparatus.
|
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GB191306417A
|
|
Improvements in Penstocks and Valves.
|
|
GB191226229A
|
|
Improvements in Sewage Distributors and the like.
|
|
CA152010A
|
|
Manhole, hydrant, etc.
|
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CA137551A
|
|
Filter bed
|
|
GB191110387A
|
|
Improvements in Manhole, Hydrant, Surface Box, Gully, and other Road Covers and Grates.
|
|
GB191107028A
|
|
A Sanitary Guard for Closet Seats.
|
|
GB191105510A
|
|
Improvements in Manhole Covers.
|
|
GB191110985A
|
|
Improvements in Apparatus for Automatically Controlling the Supply of Liquid to Filter Beds.
|
|
GB191102564A
|
|
Improvements in or relating to Adjustable Syphons applicable for the Supply of Liquid to Filters.
|
|
GB191100366A
|
|
Improvements in or connected with Lifting Apparatus for use in connection with the Removal of Solids from Sewage and other Liquids.
|
|
GB191028631A
|
|
Improvements relating to the Discharge of Sludge from Sewage Tanks.
|
|
GB191028006A
|
|
Improvements in Sewage Sedimentation Tanks.
|
|
GB191027088A
|
|
Improvements in Manhole Covers, Surface Boxes, Gully Grate Frames and the like.
|
|
GB191024454A
|
|
Improvements in Frames for Manhole Surface Boxes, Gully Grates and the like.
|
|
GB191018985A
|
|
Improvements in or connected with Screening Apparatus for the Removal of Solids from Sewage and other Liquids.
|
|
GB191004221A
|
|
Improvements in Manhole, Gully and other Surface Covers.
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