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Class Information
Number: 70/389
Name: Locks > Operating mechanism > Key > Key-removal preventing
Description: Devices including a mechanism designed to restrain removal of the key until a predetermined primary manipulation is effected.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7617708 |
Ignition lock for a motor vehicle and method of operating an ignition lock system |
Nov. 17, 2009 |
| 7581422 |
Device for starting a vehicle engine by means of an electronic key, and key to be used therefor |
Sep. 1, 2009 |
| 7377139 |
Specification cabinet lock |
May. 27, 2008 |
| 7350384 |
Door device equipped with lock |
Apr. 1, 2008 |
| 7334441 |
Electronic vehicle key and housing assembly |
Feb. 26, 2008 |
| 7260965 |
Locking device |
Aug. 28, 2007 |
| 7181936 |
Lockable buckle |
Feb. 27, 2007 |
| 7140214 |
Electro-mechanical cylinder lock-key combination with optical code |
Nov. 28, 2006 |
| 7123127 |
System for managing physical assets |
Oct. 17, 2006 |
| 7061367 |
Managing access to physical assets |
Jun. 13, 2006 |
| 7051563 |
Door key retention security system |
May. 30, 2006 |
| 7042334 |
Methods for managing access to physical assets |
May. 9, 2006 |
| 7021095 |
Apparatus and method for controlling access to stored keys |
Apr. 4, 2006 |
| 6986272 |
Ignition lock for a motor vehicle |
Jan. 17, 2006 |
| RE38832 |
Dual-function locks and sub-assemblies therefor |
Oct. 18, 2005 |
| 6895792 |
Electronic locking system |
May. 24, 2005 |
| 6837084 |
Interlock mechanisms |
Jan. 4, 2005 |
| 6776016 |
Device for starting a motor vehicle motor, using an electronic key |
Aug. 17, 2004 |
| 6758075 |
Conversion between lock functions using lock actuator |
Jul. 6, 2004 |
| 6729167 |
Key safekeeping device |
May. 4, 2004 |
| 6666057 |
Lock with a fixable key |
Dec. 23, 2003 |
| 6658903 |
Thermally insulated lock box and lock therefor |
Dec. 9, 2003 |
| 6615625 |
Electronic locking system |
Sep. 9, 2003 |
| 6513357 |
Key retention mechanism for mail lock box |
Feb. 4, 2003 |
| 6434983 |
Starting and locking/unlocking device for motor vehicle |
Aug. 20, 2002 |
| 6430977 |
Integrated keyslot |
Aug. 13, 2002 |
| 6425274 |
Rekeyable padlock with a lock cylinder having an enlarged viewing slot |
Jul. 30, 2002 |
| 6389856 |
Lock apparatus |
May. 21, 2002 |
| 6382003 |
Lock apparatus |
May. 7, 2002 |
| 6220064 |
Fuel filler assembly for a vehicle |
Apr. 24, 2001 |
| 6209370 |
Non damaging key lock |
Apr. 3, 2001 |
| 6178792 |
Key retaining lock apparatus |
Jan. 30, 2001 |
| 6169650 |
Single access control system and method |
Jan. 2, 2001 |
| 6145356 |
Dual-function locks and sub-assemblies therefor |
Nov. 14, 2000 |
| 6119496 |
Keys for high security cylinder lock systems |
Sep. 19, 2000 |
| 5970761 |
Lock system with key trapping |
Oct. 26, 1999 |
| 5878613 |
Key retaining lock box |
Mar. 9, 1999 |
| 5842362 |
Key management device, and methods of constructing and utilizing same |
Dec. 1, 1998 |
| 5823030 |
Cylinder lock system |
Oct. 20, 1998 |
| 5819567 |
Lock system with key trapping |
Oct. 13, 1998 |
| 5819563 |
Intelligent lock system |
Oct. 13, 1998 |
| 5727407 |
Security device for exit doors |
Mar. 17, 1998 |
| 5713224 |
Lock device with accidental locking prevention |
Feb. 3, 1998 |
| 5657654 |
Arrangement for locking the ignition key of a motor vehicle using the selector lever of an automatic transmission |
Aug. 19, 1997 |
| 5505066 |
Key safe apparatus |
Apr. 9, 1996 |
| 5488843 |
Safety, insurance and alarm mechanical lock |
Feb. 6, 1996 |
| 5487285 |
Lock with rod-shaped elements |
Jan. 30, 1996 |
| 5377511 |
Padlock with locking balls for a shackle |
Jan. 3, 1995 |
| 5372021 |
Key control device and method therefor |
Dec. 13, 1994 |
| 5361614 |
Pin-tumbler lock with retained key and method of operation thereof |
Nov. 8, 1994 |
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