Inventor
SUTHERLAND GEORGE K
6 patents
⚠️ This page may combine multiple inventors who share the name “SUTHERLAND GEORGE K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SYS TEC INC
4 patentsUS4320010AMar 16, 1982
Regeneration detector for water softeners
SYS TEC INC45 citations89
US4374362AFeb 15, 1983
Instrument zeroing circuit
SYS TEC INC9 citations71
US4114023ASep 12, 1978
Heater control for rotary members
SYS TEC INC11 citations70
US4540877ASep 10, 1985
Constant current closed loop controller for rotating system
SYS TEC INC2 citations60
AQUA TRONICS INC
2 patentsUS4937557AJun 26, 1990
Monitoring and indicating circuit for reverse osmosis filter
AQUA TRONICS INC54 citations88
US4847598AJul 11, 1989
Water treatment regeneration system incorporating alternating current excitation and paired operational amplifiers with asymmetrical feedback elements
AQUA TRONICS INC28 citations88