E05B 19/0029
Characterized by varying cross-sections of different keys within a lock system
Official title: {characterized by varying cross-sections of different keys within a lock system (cross-sections of single keys E05B19/0041)}
E05B19/0029 (Characterized by varying cross-sections of different keys within a lock system) appears on 38 US grants and 27 published applications in this corpus.
Search patents in E05B- Granted patents
- 38
- Published applications
- 27
- Assignees
- 22
- Inventors
- 40
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 3 | 5 |
| 2010 | 4 | 0 |
| 2011 | 2 | 6 |
| 2012 | 2 | 0 |
| 2013 | 2 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 2 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 2 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Flat key for a locking cylinder25 Nov 2025US 12,480,334 B2Dormakaba Austria GmbH
- Key and key blanks operable in vertically and horizontally oriented keyways3 Sep 2024US 12,077,983 B2Assa Abloy High Security Group Inc.
- Cross-sectional profile for a flat key or the key channel of a cylinder lock30 May 2023US 11,661,764 B2EVVA Sicherheitstechnologie GmbH
- Key plug, a cylinder lock, a cylinder lock and key combination and a method to manufacture a key plug27 Dec 2022US 11,536,047 B1Winloc AG
- Flat key profile for a lock-key system29 Nov 2022US 11,512,495 B2ASSA ABLOY Sicherheitstechnik GmbH
- Flat key for a locking cylinder9 Jan 2025US 2025/0012112 A1Dormakaba Austria GmbH
- Key and key blanks operable in vertically and horizontally oriented keyways26 Dec 2024US 2024/0426134 A1Assa Abloy High Security Group Inc.
- Cross-sectional profile for a flat key or the key channel of a cylinder lock23 Feb 2023US 2023/0056247 A1EVVA Sicherheitstechnologie GmbH
- Key and key blanks operable in vertically and horizontally oriented keyways29 Jul 2021US 2021/0230901 A1Assa Abloy High Security Group Inc.
- Flat key profile for a lock-key system12 Nov 2020US 2020/0354987 A1ASSA ABLOY Sicherheitstechnik GmbH
Most cited
By later US patents
- Key for a cylinder lock, especially for locking systems24US 5,131,249 ABKS Company · 1992
- Lock and key system with extra code combinations19US 7,665,336 B2Winloc AG · 2010
- Profiled key for cylinder locks18US 7,665,337 B1Winloc AG · 2010
- Locking arrangement consisting of key and lock cylinder17US 5,287,712 AEmhart Inc. · 1994
- Lock system15US 4,168,617 AEVVA-Werk Spezialerzeugung von Zylinder- und Sicherheitsschlossern Gesellschaft mbH & Co. Kommanditgesellschaft · 1979