Y10S 70/36
Spring-returned lock cylinder
Y10S70/36 (Spring-returned lock cylinder) appears on 7 US grants and 2 published applications in this corpus.
Search patents in Y10S- Granted patents
- 7
- Published applications
- 2
- Assignees
- 4
- Inventors
- 11
- Latest grant
- 17 Mar 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for automatically returning a lock to a desired orientation17 Mar 2015US 8,978,428 B2Medeco Security Locks, Inc.
- Key cylinder and method for assembling a key cylinder4 Jan 2005US 6,837,083 B2Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Torsion spring positioning means of a cylindrical lock30 Mar 1999US 5,887,465 A
- Key cylinder automatic returning device for cylinder lock device20 May 1997US 5,630,331 AAlpha Corporation
- Switch lock with two momentary positions1 Sep 1987US 4,689,977 AThe Eastern Company
Most cited
By later US patents
- Self-locking key-controlled door lock58US 4,138,869 AThe Eastern Company · 1979
- Anti-static switch lock with momentary position16US 4,633,689 AThe Eastern Company · 1987
- Switch lock with two momentary positions14US 4,689,977 AThe Eastern Company · 1987
- Torsion spring positioning means of a cylindrical lock12US 5,887,465 A1999
- Apparatus for automatically returning a lock to a desired orientation7US 8,978,428 B2Medeco Security Locks, Inc. · 2015