Assignee
GARD INC
US29 patents
Top patents by PatentIndex Score
US4470277ASep 11, 1984
Security door locking mechanism
GARD INC176 citations99
US5033282AJul 23, 1991
Self-locking electronic lock
GARD INC137 citations98
US5142890ASep 1, 1992
Electro-mechanical lock with rotary bolt
GARD INC70 citations96
US5020345AJun 4, 1991
Self-locking electronic lock
GARD INC83 citations96
US4967577ANov 6, 1990
Electronic lock with manual combination override
GARD INC60 citations96
US4090303AMay 23, 1978
Key decoding apparatus
GARD INC45 citations96
US5307656AMay 3, 1994
High security electronic dial combination lock
GARD INC83 citations95
US5594430AJan 14, 1997
Programmable electronic time lock
GARD INC83 citations92
US5134870AAug 4, 1992
Electro-mechanical lock with rotary bolt
GARD INC49 citations92
US4197726AApr 15, 1980
Combination locks
GARD INC31 citations92
US4161095AJul 17, 1979
Flat article stacking system
GARD INC38 citations89
US4161092AJul 17, 1979
Flat article handling system
GARD INC50 citations89
US4089225AMay 16, 1978
System for residual tire life prediction by ultrasound
GARD INC38 citations84
US4532785AAug 6, 1985
Combination lock
GARD INC22 citations82
US4418555ADec 6, 1983
Cylinder type lock and key
GARD INC21 citations82
US5540068AJul 30, 1996
High security electronic dial combination lock
GARD INC16 citations77
US4089226AMay 16, 1978
System for residual tire life prediction by ultrasound
GARD INC28 citations77
US4756176AJul 12, 1988
Fence lever control device for a combination lock
GARD INC19 citations74
US4628715ADec 16, 1986
Tumbler wheel assembly shield for combination locks
GARD INC16 citations74
US4541259ASep 17, 1985
Combination lock
GARD INC14 citations74
US4512165AApr 23, 1985
High security padlock
GARD INC19 citations74
US4353231AOct 12, 1982
Friction drive-snap inner fit tumbler wheel construction
GARD INC14 citations74
US4216554AAug 12, 1980
Automatic freeze-proof drain system
GARD INC21 citations73
US4206391AJun 3, 1980
Apparatus for tracking a seam
GARD INC15 citations70
US4493199AJan 15, 1985
Universal boltworks mechanism for safe door
GARD INC19 citations69
US4024522AMay 17, 1977
Acoustic emission system for welding flaw detection
GARD INC20 citations66
US4126040ANov 21, 1978
Liquid level gauge
GARD INC18 citations63
US4033494AJul 5, 1977
Stamp dispensing mechanism
GARD INC10 citations63
US4040510AAug 9, 1977
Stamp vending machine
GARD INC9 citations58