E05B 19/0041
Characterized by the cross-section of the key blade in a plane perpendicular
Official title: {characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key}
E05B19/0041 (Characterized by the cross-section of the key blade in a plane perpendicular) appears on 228 US grants and 198 published applications in this corpus.
Search patents in E05B- Granted patents
- 228
- Published applications
- 198
- Assignees
- 105
- Inventors
- 293
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 3 |
| 2006 | 1 | 7 |
| 2007 | 2 | 3 |
| 2008 | 4 | 4 |
| 2009 | 2 | 8 |
| 2010 | 5 | 4 |
| 2011 | 2 | 14 |
| 2012 | 9 | 8 |
| 2013 | 5 | 11 |
| 2014 | 14 | 7 |
| 2015 | 10 | 13 |
| 2016 | 9 | 10 |
| 2017 | 9 | 8 |
| 2018 | 6 | 9 |
| 2019 | 17 | 18 |
| 2020 | 9 | 17 |
| 2021 | 9 | 8 |
| 2022 | 11 | 12 |
| 2023 | 14 | 7 |
| 2024 | 10 | 11 |
| 2025 | 8 | 7 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Key and key blanks operable in vertically and horizontally oriented keyways22 Sep 2026US 12,742,342 B2Assa Abloy High Security Group Inc.
- Key with light device for an electromechanical locking device18 Aug 2026US 12,709,915 B2Dormakaba Schweiz AG
- Cylinder lock and door5 May 2026US 12,618,265 B2LIXIL Corporation
- Key element, lock cylinder, locking system, and method21 Apr 2026US 12,607,038 B2Dormakaba Schweiz AG
- Push-in-plunger-lock with securable housing cylinder3 Feb 2026US 12,540,486 B2
- Cylinder lock and door20 Aug 2026US 2026/0243105 A1LIXIL Corporation
- A lock and a method for manufacturing a key12 Mar 2026US 2026/0071465 A1Henry Squire & Sons Holdings Ltd
- Electronic key reader for mechanical keys28 Aug 2025US 2025/0270848 A1Schlage Lock Company LLC
- Key element, lock cylinder, locking system, and method21 Aug 2025US 2025/0263950 A1Dormakaba Schweiz AG
- Key and core with cam blocking26 Jun 2025US 2025/0207431 A1dormakaba USA Inc.
Most cited
By later US patents
- Key for a lock cylinder88US 4,787,225 ADOM-Sicherheitstechnik GmbH & Co. KG · 1988
- Cylinder lock with key, incorporating a picking preventing means78US 4,683,740 ACostruzioni Italiane Serrature Affini C.I.S.A. S.p.A. · 1987
- Cylinder lock68US 4,393,673 AGKN-Stenman AB · 1983
- Cylinder lock and key combination including a profiled key41US 5,715,717 A1998
- Cylinder-lock with flat key39US 4,377,082 ADOM-Sicherheitstechnik GmbH & Co. KG · 1983