E05B 19/04
Construction of the bow or head of the key
Official title: Construction of the bow {or head} of the key; Attaching the bow to the shank
E05B19/04 (Construction of the bow or head of the key) appears on 224 US grants and 182 published applications in this corpus.
Search patents in E05B- Granted patents
- 224
- Published applications
- 182
- Assignees
- 103
- Inventors
- 369
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 2 |
| 2002 | 10 | 1 |
| 2003 | 9 | 7 |
| 2004 | 6 | 6 |
| 2005 | 4 | 10 |
| 2006 | 4 | 13 |
| 2007 | 5 | 17 |
| 2008 | 5 | 8 |
| 2009 | 5 | 8 |
| 2010 | 7 | 10 |
| 2011 | 3 | 10 |
| 2012 | 8 | 11 |
| 2013 | 11 | 8 |
| 2014 | 13 | 7 |
| 2015 | 3 | 7 |
| 2016 | 13 | 8 |
| 2017 | 11 | 7 |
| 2018 | 5 | 11 |
| 2019 | 9 | 7 |
| 2020 | 3 | 11 |
| 2021 | 3 | 6 |
| 2022 | 7 | 3 |
| 2023 | 3 | 1 |
| 2024 | 4 | 2 |
| 2025 | 2 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Key for an electromechanical locking device8 Sep 2026US 12,729,562 B2Dormakaba Schweiz AG
- Key with light device for an electromechanical locking device18 Aug 2026US 12,709,915 B2Dormakaba Schweiz AG
- Detachable identification key head15 Apr 2025US 12,276,133 B2
- Key with a button for an electromechanical locking device18 Feb 2025US 12,227,966 B2Dormakaba Schweiz AG
- Door lock and knob system with invisible hub24 Dec 2024US 12,173,530 B2
- Key for an electromechanical locking device8 Jan 2026US 2026/0009262 A1Dormakaba Schweiz AG
- Key with light device for an electromechanical locking device26 Sep 2024US 2024/0318463 A1Dormakaba Schweiz AG
- Key with a button for an electromechanical locking device21 Mar 2024US 2024/0093532 A1Dormakaba Schweiz AG
- Door lock and knob system with invisible hub27 Apr 2023US 2023/0131844 A1
- Detachable Identification Key Head28 Jul 2022US 2022/0235577 A1
Most cited
By later US patents
- Electronic key, especially for motor vehicles208US 6,553,802 B1Huf Hülsbeck & Fürst GmbH & Co. KG · 2003
- Key assembly for vehicle ignition locks101US 5,433,096 AStrattec Security Corporation · 1995
- Apparatus having a mechanical key and a transmitter for actuation of a lock system67US 4,888,970 ASiemens Aktiengesellschaft · 1989
- Universal fob62US 6,016,676 ALear Automotive Dearborn, Inc. · 2000
- Key56US 4,562,712 A1986