A ceramic filter for semi-ultrafiltration

Adjustable and stationary holding apparatus for a swimming pool

Adsorbent body including activated carbon and inorganic binder f

Adsorption and filtration mat for liquids

Altering pore size distributions

Analysis membranes with improved compatibility

Annular pleated filter cartridge for liquid filtration...

Annular wave filter device

Anodic aluminium oxide membranes

Antibacterial material for water

Antimicrobial filter cartridge

Antimicrobial filter cartridge

Antimicrobial filter cartridge

Apparatus for filtering leukocytes from blood cells

Apparatus for filtration

Apparatus for intravenous administration of solutions of cell-fr

Apparatus for multisized filter element cartridge insert for pap

Apparatus for recovery of cell material from body fluids

Apparatus for separating sand and oil from a waste water stream

Aromatic polyimide double layered hollow filamentary membrane an