Inventor
BRAY DONALD T
US16 patents
⚠️ This page may combine multiple inventors who share the name “BRAY DONALD T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DESALINATION SYSTEMS
11 patentsUS3966616AJun 29, 1976
Membrane cartridge
DESALINATION SYSTEMS58 citations96
US4842736AJun 27, 1989
Spiral wound membrane
DESALINATION SYSTEMS125 citations95
US4190537AFeb 26, 1980
Water storage control for reverse osmosis system
DESALINATION SYSTEMS66 citations94
US4828708AMay 9, 1989
Semipermeable membranes
DESALINATION SYSTEMS29 citations92
US4156645AMay 29, 1979
Conversion of sea water by reverse osmosis
DESALINATION SYSTEMS51 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
US4230579AOct 28, 1980
Brine flow control for membrane separation system
DESALINATION SYSTEMS31 citations90
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
NIMBUS WATER SYSTEMS INC
4 patentsUS4713175ADec 15, 1987
Water purifier comprising stages mounted side-by-side to unitary header
NIMBUS WATER SYSTEMS INC75 citations95
US4711723ADec 8, 1987
Water purification system
NIMBUS WATER SYSTEMS INC58 citations95
US4842724AJun 27, 1989
Water purification apparatus
NIMBUS WATER SYSTEMS INC79 citations91
USD295438SApr 26, 1988
Water treatment assembly head
NIMBUS WATER SYSTEMS INC13 citations71