| Patents for E05B 11 - Devices preventing keys from being removed from the lock (310) |
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| 08/23/2001 | DE10105444A1 Anordnung zur Sicherung eines Schlüssels Arrangement for securing a key |
| 08/22/2001 | CN1069942C Closing device for door of casing |
| 08/02/2001 | WO2001055539A1 Electronic locking system |
| 07/04/2001 | EP1112202A1 Starting and locking/unlocking device for motor vehicle |
| 04/12/2001 | DE19943999A1 Electronic ignition lock with key reception designed as adjusting element operable by key inserted in reception for carrying out predetermined switching operations with a safety catch working mechanically on inserted key |
| 04/03/2001 | US6209370 Non damaging key lock |
| 02/07/2001 | EP1040242A4 Improved cylinder lock system |
| 02/07/2001 | EP0912810A4 Lock system with key trapping |
| 12/14/2000 | WO2000075465A1 Device for locking a cover element on a support frame |
| 11/22/2000 | CN1274401A Cylinder lock |
| 11/14/2000 | US6145356 Dual-function locks and sub-assemblies therefor |
| 10/04/2000 | EP1040242A1 Improved cylinder lock system |
| 07/19/2000 | EP1019601A1 Cylinder lock |
| 07/07/2000 | CA2257765A1 Key retaining lock apparatus |
| 04/05/2000 | EP0895560B1 Safe device comprising a number of safe-deposit boxes each lockable by an individual door |
| 03/23/2000 | WO2000015476A1 Starting and locking/unlocking device for motor vehicle |
| 03/15/2000 | EP0985075A1 A lock device |
| 12/16/1999 | WO1999064703A1 Cylinder lock |
| 10/27/1999 | EP0922822B1 Key releasing device |
| 10/26/1999 | US5970761 Lock system with key trapping |
| 09/29/1999 | CN1230239A Key-controlled lock with safety lockout |
| 07/14/1999 | EP0928358A1 Improved lock housing |
| 07/07/1999 | EP0927800A2 Retention device for a key |
| 06/16/1999 | EP0922822A1 Key releasing device |
| 05/06/1999 | EP0912810A1 Lock system with key trapping |
| 02/10/1999 | EP0895560A1 Safe device comprising a number of safe-deposit boxes each lockable by an individual door |
| 12/02/1998 | EP0880760A1 Key sensor alarm for door locks |
| 11/25/1998 | CN1200187A Key sensor alarm for door locks |
| 11/19/1998 | WO1998051891A1 A lock device |
| 10/13/1998 | US5819567 Lock system with key trapping |
| 07/07/1998 | US5775143 Resettable double-bit lock |
| 05/26/1998 | US5755121 Lock body having opposing identical molded plastic sections |
| 05/13/1998 | EP0841446A1 Fitting assembly for a lock |
| 05/07/1998 | DE19701437C1 Closure device for e.g. door, lid, flap, drawer front plate etc. |
| 02/26/1998 | WO1998007938A1 Improved lock housing |
| 01/29/1998 | WO1998003763A1 Key-controlled lock with safety lockout |
| 01/29/1998 | WO1998003754A1 Lock system with key trapping |
| 01/28/1998 | CN1171481A Detachable door locking handle assembly |
| 11/19/1997 | EP0807730A1 Device for allowing the securing of access to a given zone |
| 10/30/1997 | WO1997040250A1 Safe device comprising a number of safe-deposit boxes each lockable by an individual door |
| 10/30/1997 | CA2252832A1 Safe device comprising a number of safe-deposit boxes each lockable by an individual door |
| 10/21/1997 | US5680094 Key sensor alarm for door locks |
| 05/14/1997 | EP0773338A1 Double key bit lock with a changeable combination |
| 04/29/1997 | CA2043080C Key unlocking and retaining method and apparatus |
| 04/24/1997 | WO1997015034A1 Key sensor alarm for door locks |
| 04/24/1997 | CA2235291A1 Key sensor alarm for door locks |
| 03/12/1997 | EP0761911A1 Security barrier element allowing the controlled crossing of the barrier |
| 09/03/1996 | US5551263 Lock with dead bolt camming action on 90 degree lock cylinder rotation |
| 08/27/1996 | US5550529 Access control system |
| 08/21/1996 | EP0727553A1 Locking device |
| 03/28/1996 | WO1996009186A1 Key sensor alarm for door locks |
| 10/26/1995 | WO1995028539A1 Door lock |
| 10/24/1995 | US5461360 Key sensor alarm for door locks |
| 08/03/1995 | DE4402495A1 Key for doorlock with web, shaft and ring |
| 03/02/1995 | DE4428980A1 Lock, in particular multi-bar lock with electric drive |
| 02/08/1995 | EP0637663A1 Flat key and/or cylinder lock |
| 11/08/1994 | US5361614 Pin-tumbler lock with retained key and method of operation thereof |
| 10/12/1994 | EP0619245A1 Waste container mounted on a support |
| 09/28/1994 | CN1092840A Closing device for the door of a casing |
| 06/09/1994 | DE4302835C1 Secure door closure for communications and data cable distributor housing - has two=stage operation of locking bolt, consisting of remote unlocking of bolt via data line linked to central identification control after first stage using key |
| 04/14/1994 | DE4234323A1 Electronically controlled lock operating system - has active key transmitting EEPROM programmed code via fibre-optic conductors for motorised latch release and manual unlocking |
| 04/14/1994 | DE4234322A1 Electronically controlled lock operating system - has active key transmitting pre-programmed code via fibre-optic conductors for stepping motor latch release and manual unlocking |
| 04/14/1994 | DE4234321A1 Electronically controlled door lock operating system - has active key transmitting pre-programmed code and fibre-optic conductors for electromagnetic latch release and manual unlocking |
| 09/22/1993 | EP0561254A1 Door provided with a safety device for its lock |
| 09/01/1993 | EP0558276A2 Lever lock |
| 04/21/1993 | EP0538160A1 Weather proof lock, especially for the door of a technical construction |
| 04/20/1993 | CA1316363C Cylinder lock and key |
| 09/30/1992 | EP0506155A2 Safety blocking system for an elevator swinging door |
| 09/23/1992 | EP0505332A1 Cylinder lock key retainer, without affecting the normal operation of the lock |
| 08/25/1992 | US5140843 Lock conversion mechanism |
| 07/16/1992 | DE4100403A1 Key tag structure - comprises heavy ball with offset slot for shifting centre of gravity to one side |
| 01/14/1992 | US5079935 Trapped key lock mechanism |
| 01/07/1992 | CA2043734A1 Lock actuator with removable operator |
| 09/04/1991 | CN1054286A Locks for insetting key magnetized partly |
| 08/13/1991 | CA1287500C Double cylinder lock assembly |
| 08/08/1991 | WO1991011583A1 Lock releasable by the insertion of a locally magnetised key card |
| 08/08/1991 | WO1991011582A1 Lock releasable by the insertion of a locally magnetised key card |
| 08/07/1991 | CN1053652A Lock unlocked with puzzle key magnetized in part |
| 08/01/1991 | DE4002093A1 Schloss mit durch einschieben einer bereichsweise magnetisierten schluesselkarte freizugebender schliessfunktion Castle with Slide by a partially magnetized schluesselkarte free to be surrendered closing function |
| 08/01/1991 | DE4002085A1 Schloss mit durch einschieben einer bereichsweise magnetisierten schluesselkarte freizugebender schliessfunktion Castle with Slide by a partially magnetized schluesselkarte free to be surrendered closing function |
| 05/21/1991 | US5016455 Key unlocking and retaining method and apparatus |
| 04/30/1991 | US5010754 Lock actuator with removable operator |
| 07/24/1990 | US4942748 Security mechanism for telephone paystations |
| 09/12/1989 | US4865248 Post office locker |
| 04/25/1989 | US4823575 Cylinder lock and key |
| 02/25/1988 | DE3627493A1 Key with a code |
| 12/10/1987 | DE3619264A1 Safety pendant for a key for a single-tumbler lock |
| 10/13/1987 | US4698989 Double cylinder lock assembly |
| 05/05/1987 | US4662199 Key retaining device |
| 02/18/1986 | US4570469 Key retaining device |
| 07/24/1985 | EP0149484A2 Cylinder lock with means for preventing the key from being removed from the lock |
| 09/19/1984 | EP0118910A2 Locking cylinder |
| 07/10/1984 | CA1170635A1 Post office locker |
| 05/15/1984 | US4448051 Key retaining device |
| 04/10/1984 | US4441348 Key retaining device |
| 11/22/1983 | US4416413 Post office locker |
| 08/16/1983 | US4398404 Key disengagement preventive device for magnetic tumbler cylinder locks |
| 01/25/1983 | US4369642 Detained key assembly |
| 07/06/1982 | US4337987 Trapped-key security unit |
| 03/23/1982 | CA1120279A1 Inner locking cylinder with captive key |