| Patents for E05B 37 - Permutation locks; Puzzle locks (5,333) |
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| 12/18/1991 | CN2090852U Safety permutation lock for door |
| 12/12/1991 | DE4118038A1 Tension fastening for cases - consists of top and bottom part with tension lever and locking claw |
| 12/12/1991 | DE4022352A1 Tension fastening for case - consists of top and bottom half, with tension lever, locking claw and pin slot guide |
| 12/12/1991 | DE4018527A1 Safety lock for containers or trunks - has upper part fixed to container, and lock part on other container part contg. combination lock |
| 12/11/1991 | EP0460415A2 Portable electronic apparatus |
| 12/10/1991 | US5070714 Tamper resistant locking device |
| 12/04/1991 | CN2089958U Puzzle padlock |
| 12/04/1991 | CN1015015B Keying type space code device and lock thereof |
| 11/28/1991 | DE4112628A1 Stop device for door lock - has one or more blocking components engaging either pin pressing lock catch or lock bolt operating component |
| 11/28/1991 | DE4042366A1 Combination trunk lock - has spring segments on housing working with flats on coupling bushes to free bolt |
| 11/27/1991 | EP0457959A1 Suitcase with rollers |
| 11/27/1991 | CN2089498U Adjustable induction built-in lock |
| 11/27/1991 | CN2089497U Button type cipher lock |
| 11/13/1991 | CN2088578U Changeable puzzle lock |
| 11/12/1991 | US5063764 Roll-up door lock |
| 11/12/1991 | US5063762 Retractable locking assembly |
| 11/12/1991 | US5063761 Simply-constructed combination padlock |
| 11/12/1991 | US5063760 Dial lock assembly |
| 11/06/1991 | CN2088143U 拉链锁 Zip lock |
| 10/30/1991 | CN2087659U Thin-narrow shape rectangular cipher lock |
| 10/29/1991 | US5061923 Computerized combination lock |
| 10/22/1991 | US5058404 Push-button lock arrangement |
| 10/16/1991 | CN2086774U Anti-picking and alarming puzzle lock of door |
| 10/09/1991 | CN2086287U Depressed key machinery cipher lock |
| 10/02/1991 | EP0449035A1 Combination lock for suit- or briefcases, and the like |
| 10/02/1991 | CN2085829U Ball dial type permutable puzzle lock |
| 09/25/1991 | CN2085399U Multifunctional safety lock with turnover head |
| 09/11/1991 | CN2084486U Mechanical program controlled self protective self open button type cipher lock |
| 09/11/1991 | CN1054468A Changeable rotary combination shackle lock |
| 09/04/1991 | CN2084081U Ten purpose cipher cylinder lock for door |
| 08/28/1991 | CN2083613U Theft-proof puzzle semiautomati puzzle door lock |
| 08/28/1991 | CN2083612U Key type puzzle lock core |
| 08/28/1991 | CN2083611U Puzzle lock for safe |
| 08/28/1991 | CN2083610U Three-safety numerically controlled remote control alarm puzzle lock for safe |
| 08/28/1991 | CN2083609U Mechanical puzzle lock |
| 08/28/1991 | CN2083608U Theft mechanical puzzle lock |
| 08/27/1991 | US5042277 Push-button digital combination padlock |
| 08/21/1991 | CN2083173U Mechanical dual-latch protector lock with cipher |
| 08/07/1991 | CN2082294U Doublly controlled cipher code lock and its key |
| 08/07/1991 | CN2082293U Cipher code lock |
| 08/07/1991 | CN2082292U Cipher code lock |
| 08/01/1991 | WO1991011580A1 Changeable rotary combination shackle lock |
| 08/01/1991 | CA2047676A1 Changeable rotary combination shackle lock |
| 07/31/1991 | CN1053465A Numerical control cipher lock with single operating handle |
| 07/17/1991 | CN2080963U Anti-theft door puzzle lock with ring lock catch |
| 07/17/1991 | CN2080962U Puzzle wire lock |
| 07/17/1991 | CN2080961U Billiard puzzle lock |
| 07/10/1991 | EP0435870A1 Electronic lock with manual combination override. |
| 07/03/1991 | CN2080085U Mechanical electronic cipher lock |
| 07/03/1991 | CN2080040U Automatic theft-proof hijacking-proof puzzle lock |
| 07/02/1991 | US5027623 Combination lock having sensing means for dialing aid and anti-sensing means for security purpose |
| 06/27/1991 | WO1991009195A1 Autodialer-resistant combination lock |
| 06/26/1991 | CN2079642U Convenient opening puzzle lock |
| 06/26/1991 | CN1052528A Key-type mechanical puzzle lock |
| 06/19/1991 | CN2079207U Non-polar pozzle lock |
| 06/18/1991 | US5024071 Coding assembly for locklike devices |
| 06/12/1991 | CN2078775U Safety cover of cipher of built-in lock |
| 06/05/1991 | CN2078357U Permutation lock with sealing lighting device |
| 06/04/1991 | US5020346 Permutation lock, particularly for storage compartments |
| 05/29/1991 | CN1051775A Keyless bi-cipher lock |
| 05/23/1991 | CA2030111A1 Safety case for a credit card with a locking mechanism |
| 05/21/1991 | US5017851 Mechanical rotating combination lock opening device |
| 05/21/1991 | US5016284 Lockable clothing |
| 05/16/1991 | WO1991006734A1 Combination lock |
| 05/08/1991 | EP0426325A1 Lockable buckle |
| 05/08/1991 | CN2076589U Anti-theft puzzle lock |
| 05/02/1991 | EP0424567A1 Dial lock device for slide fasteners |
| 04/24/1991 | CN2075683U Cipher lock |
| 04/23/1991 | US5009090 Combination lock assembly |
| 04/17/1991 | CN2075238U Digit-control puzzle lock |
| 04/16/1991 | US5007262 Dial lock |
| 04/10/1991 | CN2074789U Integral pozzle lock |
| 04/09/1991 | US5005384 Mechanism for a combination padlock |
| 04/09/1991 | CA1282607C Combination/electronic lock system |
| 04/04/1991 | WO1991004385A1 Padlock cover with storage compartment |
| 04/02/1991 | US5003802 Dial and dial ring assembly with detenting feature |
| 03/27/1991 | EP0418416A1 Dial lock assembly |
| 03/21/1991 | WO1991003615A1 Dial lock generating false coincidence sound and vibration |
| 03/20/1991 | CN2073456U Cipher code lock with number changing function |
| 03/20/1991 | CN2073455U Non-coaxal number checking lock for handcase |
| 03/20/1991 | CN2073454U Key and lock of mechanical cipher code with remembered function |
| 03/07/1991 | WO1991002872A1 Safe with puzzle lock |
| 03/06/1991 | CN2072581U Safe cipher device |
| 02/27/1991 | EP0414165A1 Permutation lock for suitcases, bags or similar |
| 02/27/1991 | EP0414163A1 Permutation lock for suitcases, bags or similar |
| 02/26/1991 | US4995250 Combination lock for the shift rod and the hand-brake rod of a car |
| 02/19/1991 | US4993762 Latch assembly and concealed opening |
| 02/13/1991 | CN2071234U Lock with two pieces |
| 02/13/1991 | CN2071231U Household safety device for door cipher |
| 02/13/1991 | CN2071230U Cipher lock |
| 02/12/1991 | US4991416 Lock for releasably securing two closeable elements |
| 02/06/1991 | CN2070794U Double puzzle protector lock without number |
| 01/31/1991 | DE4020871A1 Permutation lock with electric setting motor |
| 01/24/1991 | WO1991000949A1 System for securing wheeled articles to immobile objects |
| 01/23/1991 | EP0408953A2 Combination lock with a cam disc and tumbler discs |
| 01/23/1991 | CN2069901U Universal key puzzle lock |
| 01/23/1991 | CN2069900U Number-changeable puzzle lock |
| 01/21/1991 | WO1991000948A1 Coded locking device |
| 01/09/1991 | CN2068997U Electron type card puzzle locks |
| 01/09/1991 | CN2068996U Ciphercode lock mechanism |