Hydroseparation process for aqueous extraction of bitumen...

Hydroxamate composition and method for froth flotation

Impact plate flow separator

Impeller-mounted electrostatic air filter

Improved active field polarized media air cleaner

Improved apparatus and method for deinking waste paper pulp

Improved collection system for a wet drum magnetic separator

Improved crushed fluorescent tube particulate separation and...

Improved filter media active field polarized media air cleaner

Improved flotation method

Improved flotation of sulphide minerals

Improved fluorescent tube crusher with particulate...

Improved froth flotation process and apparatus

Improved method and apparatus for the separation of manure...

Improved method and apparatus for the separation of...

Improved recirculation filter

Improved recovery of platinum group metals and gold by...

Improved recovery of valuable metals

Improved tip separator and method of operation for...

Improvement in and relating to gas cleaning devices