Patents for E05B 45 - Alarm locks (4,216)
05/1991
05/29/1991CN2077894U Thief-guard dalarming devices
05/29/1991CN2077893U Multi-functioned thief-guard alarm locks with double rings and double tongue
05/29/1991CN2077892U Machinery-open type electronic cipher lock with thief-guarding against and alarming function
05/29/1991CN2077890U Locks with four protectors function
05/08/1991CN2076590U High-strength anti-theft alarm lock catch
05/02/1991DE3936084A1 Safe deposit with readily breakable alarm current conductors
05/01/1991CN2076145U Alarm cylinder lock
04/1991
04/11/1991DE4012253C1 Control magnet carrier - has U=shaped bin with bridge port having attachment for fixing to lock plate and two shanks
04/03/1991CN2074347U Burglar alarm for bicycle
04/03/1991CN2074346U Theft-proof alarm lock for bicycle
04/03/1991CN2074339U Centralized-control theft alarm door lock
03/1991
03/14/1991DE3940457C1 Motor vehicle lock illuminating device - is operated by proximity switch responding to metal and/or permanent magnet of car key
03/05/1991US4996856 Structure of cylinder lock
02/1991
02/27/1991CN2072119U Anti-theft safety lock
02/26/1991US4996514 Car theft proofing system
02/26/1991CA1280787C Interior trim component for a motor vehicle and apparatus for producing same
02/20/1991EP0413065A1 Alarm lock
02/13/1991CN2071233U Acoustio-optic door bell alarm lock
02/13/1991CN2071232U Electronic anti-theft alarm lock
02/12/1991US4991415 Lock with electronic warning and electromagnetic control system
01/1991
01/16/1991CN2069460U Theft-proof alarm lock for bicycle
01/15/1991US4985694 Car theft proofing system
01/15/1991US4985693 Car theft proofing system
01/09/1991CN2068998U Multi-purpose electronic puzzle locks
01/08/1991US4983950 Car theft proofing system
01/08/1991US4983948 Car theft proofing system
01/08/1991US4982985 Bolt type seal with fiber optic seal
01/02/1991CN2068548U 防盗报警门锁 Alarm Lock
01/02/1991CA1278615C Detection plate having pin-shaped attachment means
12/1990
12/19/1990CN2067737U Anti-thief alarm lock for bicycle
12/12/1990CN2067306U Burglar alarm door-bell lock
11/1990
11/21/1990CN2066052U Control door lock anti-stealing alarm device
11/21/1990CN2066051U 多功能安全门锁 Multifunction security locks
11/14/1990EP0396869A1 Alarm device for surface protection
11/14/1990CN2065653U High-safety lock with electronic time-delay alarm
11/13/1990US4969343 Security locks
11/06/1990CA1276039C2 Microcomputer controlled door locking system
10/1990
10/31/1990CN2064804U Multifunctional safety lock
10/25/1990DE3913204A1 Cylinder5 lock core protection device - has outer drilling protection shield with detection of attempted penetration
10/18/1990WO1990012182A1 Anti-theft device
10/03/1990CN2063143U Anti-theft alarm lock
10/03/1990CN2063142U Alarm handcuffs lock
09/1990
09/27/1990DE3909584A1 Doorlock with automatic intrusion protection by blocking the locking device
09/25/1990US4958869 Security stop
09/12/1990CN2061952U Multi-function theft-proof alarm spring door lock
09/12/1990CN2061948U Theft-proof lock head
09/05/1990EP0385206A1 Valuables box
09/05/1990EP0385049A1 Door guard
09/04/1990US4953375 Electronically self-latching cylinder lock
08/1990
08/29/1990CN2061192U Multifunctional alarm door lock
08/15/1990CN2060465U Automobile anti-theft alarming lock
08/15/1990CN2060463U Alarm of anti-theft door lock
08/15/1990CN1044693A Lock type anti-theft alarm device
08/09/1990DE3915068C1 Safe with alarm and monitor - has narrow lead(s) broken by rod-shaped locking elements in retention region if forced open
08/08/1990CN1009120B Anti-picking electric alarm lock
07/1990
07/24/1990US4942747 Operator lockout prevention device
07/24/1990US4942705 Window grating arrangement
06/1990
06/26/1990US4937560 Security system with door deadbolt interlock
06/06/1990CN2057940U Door lock with multiple controlling anti-theft alarm
06/06/1990CN2057939U Electronic alarming lock
05/1990
05/30/1990EP0370790A1 Protecting device
05/23/1990CN2057442U Anti-theft alarm lock
05/23/1990CA2002972A1 Protecting device for a lock
05/09/1990CN2056930U Electronic cipher controlled security case
05/02/1990CN2056687U Electronic sound control alarm door lock of multi function mechanic cipher electronic door bell
04/1990
04/19/1990WO1990004075A1 Operator lockout prevention device
04/18/1990CN2056179U Multifunctional door lock with burglar alarm
04/17/1990US4917419 Electromechanical door lock system
03/1990
03/28/1990CN2055160U Theft deterrent delayed interlocking device
03/28/1990CN2055158U Multi-function lock
03/27/1990US4910980 Door lock/unlock detector for use in theft prevention device for automobiles
03/13/1990US4908605 Device for confirming whether a lock is locked or unlocked
03/07/1990CN2054060U Push alarm cipher lock
02/1990
02/28/1990CN2053645U Doorlock alarm trigger device with fixed lead wire
02/27/1990US4904005 Entrance security system
02/21/1990CN2053230U Anti-prying alarm lock
02/14/1990EP0354542A2 Security system with door deadbolt interlock
02/14/1990CN2052805U Warning door lock with hidden key hole
02/13/1990US4901057 Device for securing a combination dial lock
02/07/1990CN2052426U Aulomatic alarm lock with extension
02/07/1990CN2052424U Alarm lock for guard against theft
02/06/1990US4898979 Process for preparing 1,3,5-triazinetriones
01/1990
01/31/1990CN2052022U Puzzle alarm lock for one or double door
01/24/1990CN2051655U Automatic openning cipher door lock capable of alarming
01/23/1990US4896139 Self-contained burglar alarm device for sliding windows, doors and the like
01/17/1990EP0351345A1 Check with locking device, especially for window
01/10/1990CN2050864U Warner controlled by lock with guarding against theft function
01/10/1990CN2050863U Alarming door bell guarding against theft
01/03/1990CN2050456U Alarm door bell
01/03/1990CN2050455U Alarm with handcuffs
12/1989
12/27/1989CN2050059U Alarm door lock
12/26/1989US4890092 Door stop alarm
12/13/1989CN2049251U Household door lock alarm device
12/13/1989CN2049246U Built-in lock of burglar alarm door
12/07/1989DE3818538A1 Device for monitoring emergency exit doors and for opening them in an emergency
11/1989
11/29/1989CN2048499U Anti-theft lock with warner for joint defence
11/22/1989CN2048098U Alarm cabinet-lock
11/02/1989DE3813887A1 Device for securing doors
11/01/1989CN2046910U Anti-theft alarm lock for bicycle
11/01/1989CN2046906U Keyboard type cipher alarm chain lock
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