E05B 19/24
Key distinguishing marks
Official title: Key distinguishing marks {(fluorescent E05B17/106)}
E05B19/24 (Key distinguishing marks) appears on 56 US grants and 55 published applications in this corpus.
Search patents in E05B- Granted patents
- 56
- Published applications
- 55
- Assignees
- 27
- Inventors
- 117
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 4 |
| 2004 | 1 | 4 |
| 2005 | 2 | 2 |
| 2006 | 1 | 4 |
| 2007 | 0 | 1 |
| 2008 | 1 | 4 |
| 2009 | 2 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 1 | 2 |
| 2016 | 3 | 1 |
| 2017 | 3 | 9 |
| 2018 | 5 | 2 |
| 2019 | 4 | 2 |
| 2020 | 0 | 7 |
| 2021 | 3 | 0 |
| 2022 | 2 | 3 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Detachable identification key head15 Apr 2025US 12,276,133 B2
- Passive radio transmission device7 Jan 2025US 12,190,189 B2AEG Identifikationssysteme GmbH
- Access control system and method2 May 2023US 11,639,617 B1The Chamberlain Group, Inc.
- Lock system with multifactor authentication18 Apr 2023US 11,629,525 B1
- Key10 May 2022US 11,326,369 B2
- Key9 Oct 2025US 2025/0314094 A1LIXIL Corporation
- Detachable Identification Key Head28 Jul 2022US 2022/0235577 A1
- Passive radio transmission device7 Jul 2022US 2022/0215219 A1AEG Identifikationssysteme GmbH
- Data key and method of using same20 Jan 2022US 2022/0018157 A1Hy-Ko Products Company
- Highly secure optical key access control system26 Nov 2020US 2020/0370339 A1
Most cited
By later US patents