Inventor
KUHN JOHN J
16 patents
⚠️ This page may combine multiple inventors who share the name “KUHN JOHN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PPG INDUSTRIES INC
6 patentsUS4931075AJun 5, 1990
High current multiterminal bushing controller
PPG INDUSTRIES INC28 citations92
US4594087AJun 10, 1986
Three-terminal controller for fiber glass bushing
PPG INDUSTRIES INC21 citations81
US5071459ADec 10, 1991
Bushing balance controller for multiple segment bushings
PPG INDUSTRIES INC19 citations73
US4775400AOct 4, 1988
Method of controlling glass fiber formation and control system
PPG INDUSTRIES INC18 citations72
US4978866ADec 18, 1990
Ramp circuit for control loop
PPG INDUSTRIES INC3 citations62
US4746344AMay 24, 1988
Fiber forming bushing and method for providing
PPG INDUSTRIES INC5 citations61
AMERICAN STANDARD INC
5 patentsUS4301490ANov 17, 1981
Electronic overload protection circuit
AMERICAN STANDARD INC62 citations94
US4324376AApr 13, 1982
Railroad highway crossing warning system
AMERICAN STANDARD INC45 citations92
US4307860ADec 29, 1981
Railroad grade crossing constant warning protection system
AMERICAN STANDARD INC37 citations92
US4306694ADec 22, 1981
Dual signal frequency motion monitor and broken rail detector
AMERICAN STANDARD INC46 citations92
US4320315AMar 16, 1982
Fail-safe and gate circuit
AMERICAN STANDARD INC2 citations62
WESTINGHOUSE AIR BRAKE CO
3 patentsUS4136315AJan 23, 1979
Low and high frequency oscillators having common voltage regulator circuit
WESTINGHOUSE AIR BRAKE CO9 citations73
US4314374AFeb 2, 1982
High power audio frequency transmitter
WESTINGHOUSE AIR BRAKE CO5 citations62
US4079444AMar 14, 1978
D.C. to A.C. electronic inverter with overload protection
WESTINGHOUSE AIR BRAKE CO6 citations62