Y10T 70/7446
Multiple keys
Y10T70/7446 (Multiple keys) appears on 200 US grants and 91 published applications in this corpus.
Search patents in Y10T- Granted patents
- 200
- Published applications
- 91
- Assignees
- 103
- Inventors
- 225
- Latest grant
- 10 Oct 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 7 | 6 |
| 2004 | 4 | 4 |
| 2005 | 6 | 9 |
| 2006 | 4 | 7 |
| 2007 | 5 | 7 |
| 2008 | 11 | 14 |
| 2009 | 11 | 12 |
| 2010 | 6 | 10 |
| 2011 | 9 | 8 |
| 2012 | 10 | 7 |
| 2013 | 8 | 2 |
| 2014 | 9 | 3 |
| 2015 | 3 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Dual key lock core and key lock core assembly using the same10 Oct 2017US 9,784,015 B2Sinoxlock (Kunshan) Co., Ltd
- Reprogrammable cylinder lock6 Dec 2016US 9,512,642 B2Keyless.Co LLC
- Key plug for a key-programmable cylinder lock and key-removable lock core9 Jun 2015US 9,051,759 B2Smartloc Technology, LLC
- Security door brace system and method of use thereof6 Jan 2015US 8,925,359 B2
- Rotating disk lock mechanism6 Jan 2015US 8,925,360 B2Inner-Tite Corp.
- Reprogrammable cylinder lock10 Sep 2015US 2015/0252590 A1Keyless.Co LLC
- Dual key lock core and key lock core assembly using the same16 Jul 2015US 2015/0197962 A1Sinoxlock (Kunshan) Co., Ltd
- Key plug for a key-programmable cylinder lock and key-removable lock core13 Nov 2014US 2014/0331726 A1Smartloc Technology, LLC
- Two-keyed anti-destructive clutch lock core15 May 2014US 2014/0130556 A1
- Key plug for a key-programmable cylinder lock and key-removable lock core23 Jan 2014US 2014/0020440 A1Smartloc Technology, LLC
Most cited
By later US patents
- Access control device featuring key ordering or key simultaneity106US 5,705,991 ASupra Products, Inc. · 1998
- Post office locker100US 4,865,248 AAmerican Locker Group Incorporated · 1989
- Method for transferring auxillary data using components of a secure entry system98US 5,654,696 ASupra Products, Inc. · 1997
- Homeowner key for an electronic real estate lockbox system82US 5,815,557 ASLC Technologies, Inc. · 1998
- Programmable lock apparatus and method69US 4,836,002 A1989