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CA133986A
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Filtering plant
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GB190815041A
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Improvements in Systems of Cleaning Filters.
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GB190718852A
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Improvements in Scraping Machines for Sand Filters.
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CA109374A
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Filter leaf
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GB190701670A
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Improvements in Sand Distributing Machines for Sand Filters.
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GB190629319A
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Improvements in Scraping Machines for Sand Filters.
|
|
GB190628919A
|
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Improvements in Sand Distributing Apparatus for Filters.
|
|
US887451A
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Overflow-gate.
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GB190618898A
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Improvements relating to Mechanism for Distributing or Stacking Residues or Tailings of Hydro-metallurgical Processes.
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CA101740A
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Stacker for ore tailings
|
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GB190523393A
|
|
Improvements in Apparatus for Cleansing Filters.
|
|
US882738A
|
|
Filter-machine.
|
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US833293A
|
|
System of handling material.
|
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CA90058A
|
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Apparatus for removing material from the surface of filter beds
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GB190414536A
|
|
Improvements in Apparatus for Cleansing Filter Beds.
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|
CA86862A
|
|
System of moving materials
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|
GB190325272A
|
|
Means for Handling or Conveying and Distributing Granular and like Material
|
|
GB190324229A
|
|
Improvements in Machines for Cleaning Filter Beds
|
|
GB190312481A
|
|
Improvements in Apparatus for Cleaning Sand Filter Beds.
|
|
GB190220474A
|
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Improvements in and relating to Conveyer Systems
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