| Patents for E05B 35 - Locks for use with special keys or a plurality of keys (2,941) |
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| 04/25/1990 | CN2056437U Double parts mortise lock and its key |
| 04/24/1990 | US4918957 Lock with locking function released by insertion of a coded card |
| 04/18/1990 | EP0363957A2 Mechanical locking device |
| 04/14/1990 | CA2000624A1 Coding assembly for locklike devices |
| 03/28/1990 | EP0359885A1 Key with a sliding element, safety cylinder, and lock provided with such a cylinder |
| 03/22/1990 | DE3901577C1 Lock |
| 03/13/1990 | US4907716 Lock mechanism |
| 03/13/1990 | US4907431 Adjustable lock |
| 02/28/1990 | EP0355105A1 A lock arrangement |
| 02/14/1990 | EP0354838A1 Safety cylinder for a lock, and key therefor |
| 02/14/1990 | CN2052802U Privacy lock needing two keys to open |
| 02/07/1990 | EP0353321A1 Electrically controlled lock-dogging device |
| 01/31/1990 | EP0352441A1 Transformable locking device |
| 01/10/1990 | CN2050861U Ball lock being able to change key |
| 12/28/1989 | DE3917575A1 Elektrischer programmwahlschalter mit sicherheitsschluss Electrical program selector switch with safety circuit |
| 12/27/1989 | CN2050058U Dual back way enclosed self-defence lock and key |
| 12/13/1989 | CN2049247U Cylinder plug of multiedge, different tooth cylinder lock, and key thereof |
| 12/12/1989 | US4885923 Combination lock |
| 11/30/1989 | WO1989011576A1 Lock arrangement |
| 11/30/1989 | DE3915902A1 Mehrstufiger elektrischer betriebsschalter mit sicherheitsschluss Multi-level electrical operation switch with safety circuit |
| 11/16/1989 | WO1989011016A1 Locker unit comprising a plurality of lockers |
| 11/07/1989 | US4878367 Binary coded key and latch-actuator |
| 11/01/1989 | CN2046905U Synchronous cylinder lock |
| 10/03/1989 | US4870842 Security locking system for vehicle wheel nuts |
| 09/28/1989 | DE3808255A1 Device for security against unauthorised opening of money-receiving devices on cash registers |
| 09/27/1989 | EP0334396A2 Locking device |
| 09/12/1989 | US4865366 Toe panel retainer clip for dryer |
| 09/12/1989 | US4865248 Post office locker |
| 08/30/1989 | EP0329914A1 Perfected lock |
| 08/30/1989 | CN2043648U Programmed safe lock using two keys |
| 08/30/1989 | CN2043647U 锁和钥匙 Lock and key |
| 08/16/1989 | CN2042872U Single cylinder bilateral keyhole cross lock |
| 07/20/1989 | DE3800517A1 Schloss fuer hoteleinrichtungen und aehnliches Lock for hotel or similar devices |
| 07/12/1989 | CN2040935U Multifunction safety lock |
| 07/12/1989 | CN2040934U Ladder-like notched key-code lock |
| 06/14/1989 | EP0319811A1 Sealing device for interlockingly maintaining a cover on a grating in a frame |
| 06/13/1989 | US4838061 Lock set proof against prize up |
| 06/13/1989 | US4838058 Card lock |
| 05/30/1989 | US4833830 Hatch closure assembly |
| 05/03/1989 | CN2036984U Jacking type spring built-in lock |
| 04/05/1989 | CN1032209A Locking system consisting of lock and several keys |
| 03/01/1989 | EP0304760A2 Locking system consisting of a lock and several keys |
| 02/28/1989 | US4807455 Electromagnetically blocking and unblocking a lock for a safety deposit box, strong box or the like |
| 02/14/1989 | US4803902 Reencoding of locks |
| 02/02/1989 | DE3724711A1 Lock with a locking function to be released by the insertion of a coded card |
| 02/02/1989 | DE3724710A1 Lock with a locking function to be released by the insertion of a coded card |
| 02/01/1989 | EP0301324A1 Lock with a locking mechanism that can be freed by the introduction of a coded card |
| 01/11/1989 | CN2030639U Double-key timing safety lock |
| 01/10/1989 | US4796448 Lock with reference plate |
| 12/27/1988 | US4793643 Door closing and locking mechanism |
| 12/13/1988 | US4790582 Concealed window lock |
| 11/16/1988 | CN87215937U Door lock opened by fingering technique |
| 11/08/1988 | US4782675 Lock assembly |
| 10/18/1988 | US4777815 Group card-key actuated lock having individual lockout |
| 10/05/1988 | EP0284720A2 Safety lock and key, the key being tubular to prevent copying it |
| 09/07/1988 | EP0280747A1 Locking device |
| 08/30/1988 | US4766749 Locking device |
| 08/24/1988 | CN88100778A Contact device for transmitting electric signals between key and lock of cylinder locks |
| 08/17/1988 | EP0278905A1 Contact device for transmitting electrical signals between lock and key of a cylinder lock |
| 08/17/1988 | CN87216660U Plural-keys operated safety lock with one key-hole |
| 08/17/1988 | CN87204290U Dual-key operated cylinder lock |
| 08/11/1988 | WO1988005854A1 Contact means for transmitting electric signals between a lock and key in a cylinder lock |
| 08/11/1988 | DE3702730A1 Closing arrangement with large number of closing combinations |
| 08/09/1988 | US4761976 Lock cylinder with integrated electromagnetic locking mechanism |
| 08/03/1988 | EP0276444A1 Locking device with a large number of locking combinations |
| 07/14/1988 | WO1988008067A1 A lock arrangement |
| 07/05/1988 | US4754630 Locking device |
| 06/29/1988 | CN87211880U Anti-false operating program lock for high-voltage switch equipment |
| 06/28/1988 | US4753092 System for controlling the use of a plurality of items |
| 05/25/1988 | EP0268328A2 Change-key lock |
| 05/04/1988 | EP0265863A1 Safety lock for an armoured door or the like, the lock being provided with an opening and/or closing device |
| 04/20/1988 | CN87200441U Two-side-toothed key and relevant double-row ball lock |
| 04/05/1988 | US4735068 Card operated lock |
| 03/30/1988 | EP0262059A1 Key and lock |
| 03/16/1988 | EP0260210A1 Card operated lock |
| 12/22/1987 | CA1230492A1 Control mechanisms suitable for actuating power operated locks |
| 12/05/1987 | CN86207542U Code-changeable key and its lock |
| 11/07/1987 | CN86202553U Mechanically programmed knife switch lock for high-voltage switch equipment |
| 10/28/1987 | CN86202260U Multipurpose key and its lock |
| 10/20/1987 | CA1228243A1 Locks |
| 10/13/1987 | US4698989 Double cylinder lock assembly |
| 10/13/1987 | CA1227941A1 Locks |
| 10/06/1987 | US4697443 Multi-lock security device |
| 10/06/1987 | CA1227653A1 Coin-operated lock for a trolley system, including especially shopping and luggage trolleys |
| 09/03/1987 | DE3606570A1 Locking device |
| 09/02/1987 | CN86203341U 机械锁 Mechanical locks |
| 08/27/1987 | DE3605859A1 Safe having a combination lock with a locking function to be released by coin insertion |
| 08/26/1987 | CN86203349U Room lock with double set of lock-openning device |
| 07/08/1987 | EP0228027A2 Electromagnetically controlled safe lock |
| 07/07/1987 | US4677776 Device for marking presence, reservation or information |
| 05/26/1987 | US4667495 Key with movable plunger, security barrel for said key, and a lock equipped with such a barrel |
| 04/21/1987 | US4658612 Waterproof key for locks of bath-house locker doors |
| 04/07/1987 | US4655062 System of interconnected lock-cylinders |
| 04/02/1987 | DE3534448A1 Locking device |
| 03/04/1987 | EP0212651A2 Lock |
| 02/25/1987 | CN86200569U Propulsion compound coding spring lock and key |
| 02/24/1987 | US4644766 Non-electronic card-key actuated combination lock |
| 02/10/1987 | US4641509 Master keyboard |
| 02/10/1987 | US4641507 Lock mechanism |
| 12/24/1986 | CN85200936U Thin cylinder lock |