Y10T 70/7548
Directly key engaged
Y10T70/7548 (Directly key engaged) appears on 32 US grants and 3 published applications in this corpus.
Search patents in Y10T- Granted patents
- 32
- Published applications
- 3
- Assignees
- 13
- Inventors
- 35
- Latest grant
- 11 Feb 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pin tumbler lock system and a key pin for such system11 Feb 2014US 8,646,299 B2Poul Sloth ApS
- Disc tumbler lock20 Feb 2007US 7,178,371 B2Bjorkboda Las Oy AB
- Dual action detent for tamper resistant lever lock mechanism2 Mar 2004US 6,698,259 B2
- Guard side passive two key lock2 Sep 2003US 6,612,142 B1
- Locking device13 Feb 2001US 6,185,965 B1
Most cited
By later US patents
- Guard side passive two key lock30US 6,612,142 B12003
- Tumbler wheel, changeable combination key lock construction28US 3,991,596 ASargent & Greenleaf, Inc. · 1976
- Double hook-bolt mortise lock25US 4,958,508 A1990
- Dual key locks with multi-function tumblers21US 4,332,153 A1982
- Lever lock21US 5,560,234 A1996