Sea water strainer

Seal arrangement for fluid filters and method

Seal for injection molded filter body

Sealing arrangement for hyperfiltration

Sealing means for filter envelopes

Sealing ring for a bundle of inorganic membranes in a filtering

Seamless filter bags with a removable, refusable ring

Securing means for the leakproof mounting of a semi-permeable me

Selective separation filter device

Selectively removable gravitational and vacuum sludge filtration

Selectively removable sludge filtration system and method

Self closing filter centerpost

Self locking bowl retainer for a filter can

Self-cleaning filter adapted for rapid, inexpensive installation

Self-filtration cap

Self-locking filter-screen feeding device

Self-retaining smooth bore insert

Self-sealing filter tube

Semipermeable membrane cartridge for use with a pressure contain

Semipermeable membrane mass transfer apparatus and method for ma