Y10T 70/7503
Tumbler and ward type
Y10T70/7503 (Tumbler and ward type) appears on 12 US grants and 2 published applications in this corpus.
Search patents in Y10T- Granted patents
- 12
- Published applications
- 2
- Assignees
- 6
- Inventors
- 15
- Latest grant
- 7 Sep 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Lock, key blank, and key of a hierarchical lock system7 Sep 2010US 7,788,956 B2Medeco Security Locks, Inc.
- Lock, key blank, and key of a hierarchical lock system30 Jun 2009US 7,552,608 B2Medeco Security Locks, Inc.
- Key blank and key19 Aug 2008US 7,412,860 B1Medeco Security Locks, Inc.
- Lockset having keyed egg-shaped knob2 Jul 2002US 6,412,319 B1Emhart Inc.
- Locking arrangement consisting of key and lock cylinder22 Feb 1994US 5,287,712 AEmhart Inc.
Most cited
By later US patents
- Locking arrangement consisting of key and lock cylinder17US 5,287,712 AEmhart Inc. · 1994
- Lock and key combination with mastering concept14US 4,313,319 A1982
- Plug for a key operated lock11US 4,231,242 AU-Change Lock Industries, Inc. · 1980
- Key-operated device for access control system8US 4,289,001 AUnimax Switch Limited · 1981
- Lockset having keyed egg-shaped knob8US 6,412,319 B1Emhart Inc. · 2002