Inventor
JOHNSON GERALD E
US32 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON GERALD E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
27 patentsUS5316121AMay 31, 1994
Escalator missing step detection
OTIS ELEVATOR CO27 citations92
US5295567AMar 22, 1994
System for emergency stopping of escalator handrail
OTIS ELEVATOR CO32 citations92
US5215177AJun 1, 1993
Escalator skirt and deck panel quick release fastener assembly
OTIS ELEVATOR CO26 citations92
US5156251AOct 20, 1992
Balustrade mounting assembly for escalator or moving walkway
OTIS ELEVATOR CO22 citations92
US4982829AJan 8, 1991
Flexible escalator handrail
OTIS ELEVATOR CO22 citations92
US5332078AJul 26, 1994
Balustrade handrail entry guard
OTIS ELEVATOR CO11 citations74
US5245315ASep 14, 1993
Fiber optic escalator handrail intrusion detector shield
OTIS ELEVATOR CO16 citations74
US5133443AJul 28, 1992
Self adjustable escalator handrail drive with balanced drive chain tension
OTIS ELEVATOR CO7 citations74
US5131521AJul 21, 1992
Moving handrail drive
OTIS ELEVATOR CO10 citations74
US5018616AMay 28, 1991
Balanced self adjustable escalator handrail drive
OTIS ELEVATOR CO8 citations74
US4998613AMar 12, 1991
Self adjustable escalator handrail drive
OTIS ELEVATOR CO8 citations74
US4901839AFeb 20, 1990
Self adjustable escalator handrail drive
OTIS ELEVATOR CO10 citations74
US4895239AJan 23, 1990
Curved escalator with fixed center constant radius path of travel
OTIS ELEVATOR CO13 citations74
US5188209AFeb 23, 1993
Handrail roller bow adjustment
OTIS ELEVATOR CO17 citations73
US5186302AFeb 16, 1993
Escalator skirt and deck panel installation
OTIS ELEVATOR CO16 citations73
US5156252AOct 20, 1992
Handrail guard housing shield
OTIS ELEVATOR CO13 citations73
US5284237AFeb 8, 1994
Sound insulation for escalator balustrade
OTIS ELEVATOR CO19 citations72
US5226522AJul 13, 1993
Moving handrail guide mount with vibration isolation
OTIS ELEVATOR CO15 citations72
US5351800AOct 4, 1994
Escalator step axle attachment assembly
OTIS ELEVATOR CO4 citations63
US5259493ANov 9, 1993
Roller handrail entry guard assembly
OTIS ELEVATOR CO5 citations63
US5062520ANov 5, 1991
Self adjustable handrail drive with separate drive chains
OTIS ELEVATOR CO2 citations63
US5355990AOct 18, 1994
Balustrade handrail entry safety device
OTIS ELEVATOR CO3 citations62
USD348757SJul 12, 1994
Escalator handrail entry housing
OTIS ELEVATOR CO3 citations62
USD338309SAug 10, 1993
Barrier panel for escalators
OTIS ELEVATOR CO3 citations62
US5131520AJul 21, 1992
Escalator handrail guide
OTIS ELEVATOR CO5 citations62
USD348756SJul 12, 1994
Escalator handrail entry housing
OTIS ELEVATOR CO2 citations60
US5219060AJun 15, 1993
Step axle for escalator
OTIS ELEVATOR CO3 citations51