Pervaporation device and irrigation mat

Pitcher type water purifier and purification cartridge for...

Plasma treatment apparatus

Plasmapheresis system and method

Plastic encapsulated tangential flow filter device and...

Plastic filter units having a weld cellulose filter

Plastic frame filter unit for a stack assembly

Plate type fluid treatment apparatus

Pleated artificial kidney

Pleated kidney

Pleated membrane crossflow fluid separation device

Polymeric film filter assembly

Polysulfone hollow fiber semipermeable membrane

Polytetrafluoroethylene resin porous membrane, separator making

Polyurethane compositions

Porous ceramic filter

Porous monolithic support for filtration membranes

Porous polyethylene hollow fiber membrane of large pore diameter

Porous tube filter

Positively charged membrane