Inventor

Gerald E. Johnson

Inventor

Farmington, CT, US

Overview

34→

Patents

1985–1999

Patent span

Performing operations

Primary field (CPC B)

Patents· 34 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B66Bprimary

B66BElevators84%

B08BCleaning in general3%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors3%

F25CProducing, working or handling ice3%

G01NInvestigating or analysing materials by determining their chemical or physical properties3%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%

PatentTitleYear

5,893,269'Crystal freezing apparatus'1999 5,406,125'Semiconductor device having a metalized via hole'1995 5,366,060'Balustrade handrail entry housing'1994 5,355,990'Balustrade handrail entry safety device'1994 5,351,800'Escalator step axle attachment assembly'1994 5,332,078'Balustrade handrail entry guard'1994 D0348757'Escalator handrail entry housing'1994 D0348756'Escalator handrail entry housing'1994 5,316,121'Escalator missing step detection'1994 5,295,567'System for emergency stopping of escalator handrail'1994 5,284,237'Sound insulation for escalator balustrade'1994 5,259,493'Roller handrail entry guard assembly'1993 5,245,315'Fiber optic escalator handrail intrusion detector shield'1993 D0338309'Barrier panel for escalators'1993 5,226,522'Moving handrail guide mount with vibration isolation'1993 5,219,060'Step axle for escalator'1993 5,215,177'Escalator skirt and deck panel quick release fastener assembly'1993 5,188,209'Handrail roller bow adjustment'1993 5,186,302'Escalator skirt and deck panel installation'1993 5,156,252'Handrail guard housing shield'1992 5,156,251'Balustrade mounting assembly for escalator or moving walkway'1992 5,133,443'Self adjustable escalator handrail drive with balanced drive chain tension'1992 5,131,520'Escalator handrail guide'1992 5,131,521'Moving handrail drive'1992 5,062,520'Self adjustable handrail drive with separate drive chains'1991 5,018,616'Balanced self adjustable escalator handrail drive'1991 4,998,613'Self adjustable escalator handrail drive'1991 4,982,829'Flexible escalator handrail'1991 4,953,685'Step chain for curved escalator'1990 4,946,020'Low friction escalator handrail guide'1990 4,901,839'Self adjustable escalator handrail drive'1990 4,895,239'Curved escalator with fixed center constant radius path of travel'1990 4,551,880'Vertical workpiece cleanser and dryer'1985 4,534,460'Chain-driven pocket elevator'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to LAMB TECHNICON CORP (2)· patent assignee history

1985Based in Flint, MI, US· patent location history

1990–1994Patents assigned to OTIS ELEVATOR CO (29)· patent assignee history

1990–1994Based in Farmington, CT, US· patent location history

1994Patents assigned to ADRIAN WILLY (1)· patent assignee history

1994Patents assigned to JOHNSON GERALD E (1)· patent assignee history

1994Patents assigned to LALIBERTE RONALD (1)· patent assignee history

1995Based in Littleton, CO, US· patent location history

1999Based in Bethany, CT, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OTIS ELEVATOR CO	29	1990–1994
LAMB TECHNICON CORP	2	1985
ADRIAN WILLY	1	1994
JOHNSON GERALD Eself	1	1994
LALIBERTE RONALD	1	1994

Locations

Location	Patents	Span
Farmington, CT, US	30	1990–1994
Flint, MI, US	2	1985
Bethany, CT, US	1	1999
Littleton, CO, US	1	1995