|
| US3959997 | 21 avr. 1975 | 1 juin 1976 | James E. Williams William A. Williams | Pick-proof lock system and method for locking a door, window, or other closure |
| US4031730 | 4 févr. 1976 | 28 juin 1977 | | Tamperproof lock and method |
| US4328693 | 17 mai 1979 | 11 mai 1982 | Neiman S.A. | Electrically actuated lock |
| US4584855 | 29 juin 1983 | 29 avr. 1986 | | Pick-proof locking system |
| US4620733 | 2 juil. 1985 | 4 nov. 1986 | The United States of America as represented by the Secretary of the Navy | Shipboard internal locking system |
| US4638652 | 22 août 1983 | 27 janv. 1987 | Nena Morse | Sealing cap |
| US4838061 | 6 nov. 1987 | 13 juin 1989 | | Lock set proof against prize up |
| US4875352 | 11 mai 1987 | 24 oct. 1989 | Schlage Lock Company | Construction keying |
| US5383345 | 5 avr. 1993 | 24 janv. 1995 | | Flat key with interchangeable shaft |
| US5544512 | 23 août 1994 | 13 août 1996 | | Burglaryproof axial pin tumbler lock |
| US5732842 | 10 juin 1996 | 31 mars 1998 | Bayerische Motoren Werke Aktiengesellschaft | Tank closure, especially for a motor vehicle |
| US6305198 | 22 janv. 1999 | 23 oct. 2001 | Master Lock Company | Padlock |
| US7251970 | 24 févr. 2004 | 7 août 2007 | Abloy Oy | Cylinder housing arrangement |
| US7415852 | 5 oct. 2005 | 26 août 2008 | ACCO Brands USA LLC | Tubular lock with theft deterrent |
| US7637131 | 3 sept. 2006 | 29 déc. 2009 | Essence Security International Ltd. | Electronic cylinder internal key apparatus and method |
| US7681425 | 2 nov. 2009 | 23 mars 2010 | Stanley Security Solutions, Inc. | Key and core with side pin |
| US7963132 | 27 avr. 2010 | 21 juin 2011 | ACCO Brands USA LLC | Locking device with passage |
| US7997106 | 15 déc. 2010 | 16 août 2011 | ACCO Brands USA LLC | Security apparatus including locking head and attachment device |
| US8001812 | 23 déc. 2010 | 23 août 2011 | ACCO Brands USA LLC | Security apparatus including locking head |
| US8042366 | 7 janv. 2011 | 25 oct. 2011 | Acco Brands USA LLC | Security apparatus including attachment device |
| US8065897 | 23 mars 2010 | 29 nov. 2011 | Stanley Security Solutions, Inc. | Key and core with side pin |
| US8186194 | 27 mars 2009 | 29 mai 2012 | Medeco Security Locks, Inc. | Cylinder lock and auxiliary locking mechanism |
| USD423323 | 22 janv. 1999 | 25 avr. 2000 | Master Lock Company | Padlock |
| USD423906 | 22 janv. 1999 | 2 mai 2000 | Master Lock Company | Padlock |
| USD425397 | 22 janv. 1999 | 23 mai 2000 | Master Lock Company | Padlock |
| USD425398 | 22 janv. 1999 | 23 mai 2000 | Master Lock Company | Padlock |
| USD426763 | 22 janv. 1999 | 20 juin 2000 | Master Lock Company | Padlock |
| USD439823 | 10 janv. 2000 | 3 avr. 2001 | Master Lock Company | Padlock |
| USD651889 | 19 avr. 2011 | 10 janv. 2012 | Acco Brands USA LLC | Security apparatus |
| USD660682 | 16 nov. 2011 | 29 mai 2012 | ACCO Brands USA LLC | Security apparatus |
| USD661975 | 16 nov. 2011 | 19 juin 2012 | ACCO Brands Corporation | Attachment device for security apparatus |