E05B 21/06
Cylinder locks
Official title: Cylinder locks, e.g. protector locks
E05B21/06 (Cylinder locks) appears on 99 US grants and 56 published applications in this corpus.
Search patents in E05B- Granted patents
- 99
- Published applications
- 56
- Assignees
- 31
- Inventors
- 105
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 4 | 2 |
| 2004 | 1 | 2 |
| 2005 | 3 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 5 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 5 |
| 2014 | 4 | 4 |
| 2015 | 5 | 4 |
| 2016 | 4 | 7 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 3 | 2 |
| 2020 | 3 | 1 |
| 2021 | 1 | 5 |
| 2022 | 1 | 4 |
| 2023 | 0 | 3 |
| 2024 | 5 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Disc detainer lock19 May 2026US 12,631,046 B1
- Disc tumbler cylinder lock3 Jun 2025US 12,320,151 B2Vance Lock Industrial Co., Ltd.
- Lock core structure16 Jul 2024US 12,037,812 B2
- Anti-theft structure composed of lock core and key11 Jun 2024US 12,006,728 B2
- Key blank and key for actuating a disk cylinder and method of manufacturing such a key blank and key21 May 2024US 11,988,017 B2ABUS August Bremicker Söhne KG
- Keyless Insertion Locking System and Method18 Jul 2024US 2024/0240494 A1DeWalch Technologies, Inc.
- Disc tumbler cylinder lock11 Jul 2024US 2024/0229508 A9Vance Lock Industrial Co., Ltd.
- Disc tumbler cylinder lock25 Apr 2024US 2024/0133209 A1Vance Lock Industrial Co., Ltd.
- Disk Tumbler Lock and an Improved Key and Restrictive Keyway28 Sep 2023US 2023/0304322 A1DeWalch Technologies, Inc.
- Lock core structure21 Sep 2023US 2023/0295956 A1
Most cited
By later US patents
- Tumbler lock having peripheral key62US 4,578,969 ASupra Products, Inc. · 1986
- Energy efficient multi-stable lock cylinder40US 9,222,282 B2Nexkey, Inc. · 2015
- Electromechanical cylinder lock34US 6,155,089 AAbloy Oy · 2000
- Cylinder lock and key with rotating elements32US 4,742,703 A1988
- Tool operated combination lock31US 7,712,342 B2Stanton Concepts Inc. · 2010