Assignee
DESALINATION SYSTEMS
US24 patents
Top patents by PatentIndex Score
US4902417AFeb 20, 1990
Spiral-wound membrane cartridge with ribbed and spaced carrier layer
DESALINATION SYSTEMS117 citations96
US4802982AFeb 7, 1989
Spiral-wound membrane with improved permeate carrier
DESALINATION SYSTEMS85 citations96
US4780211AOct 25, 1988
Method of dewatering using PTFE membrane
DESALINATION SYSTEMS58 citations96
US3966616AJun 29, 1976
Membrane cartridge
DESALINATION SYSTEMS58 citations96
US4842736AJun 27, 1989
Spiral wound membrane
DESALINATION SYSTEMS125 citations95
US5266195ANov 30, 1993
Spiral wound separation device and method of making same
DESALINATION SYSTEMS62 citations94
US4906372AMar 6, 1990
Spiral-wound membrane cartridge
DESALINATION SYSTEMS108 citations94
US4190537AFeb 26, 1980
Water storage control for reverse osmosis system
DESALINATION SYSTEMS66 citations94
US5108604AApr 28, 1992
Semipermeable membrane cartridge and method of making
DESALINATION SYSTEMS104 citations93
US6004464ADec 21, 1999
Spent brine reclamation
DESALINATION SYSTEMS33 citations92
US5149433ASep 22, 1992
Method and apparatus for supply of decontaminated fuel to diesel engine
DESALINATION SYSTEMS55 citations92
US4828708AMay 9, 1989
Semipermeable membranes
DESALINATION SYSTEMS29 citations92
US4156645AMay 29, 1979
Conversion of sea water by reverse osmosis
DESALINATION SYSTEMS51 citations92
US4046685ASep 6, 1977
Simultaneous production of multiple grades of purified water by reverse osmosis
DESALINATION SYSTEMS92 citations92
US4021351AMay 3, 1977
Membrane cartridge with improved central collection tube
DESALINATION SYSTEMS32 citations92
US4548714AOct 22, 1985
Semipermeable membrane cartridge for use with a pressure container
DESALINATION SYSTEMS61 citations91
US3967638AJul 6, 1976
Combination faucet and air gap
DESALINATION SYSTEMS63 citations91
US4230579AOct 28, 1980
Brine flow control for membrane separation system
DESALINATION SYSTEMS31 citations90
US4077883AMar 7, 1978
Reverse osmosis system with automatic pressure relief valve
DESALINATION SYSTEMS37 citations88
US4070280AJan 24, 1978
Manually operable reverse osmosis apparatus
DESALINATION SYSTEMS55 citations88
US4208289AJun 17, 1980
Reverse osmosis apparatus employing a reciprocating membrane cartridge
DESALINATION SYSTEMS25 citations82
US3959146AMay 25, 1976
Reverse osmosis system with automatic flushing
DESALINATION SYSTEMS28 citations82
US3939074AFeb 17, 1976
Apparatus for control of a reverse osmosis system
DESALINATION SYSTEMS26 citations82
US3940336AFeb 24, 1976
Method for cleaning semipermeable membranes
DESALINATION SYSTEMS8 citations64