H01H 2027/005
The key receiving part having multiple openings to allow keys from different
Official title: {the key receiving part having multiple openings to allow keys from different directions to operate the switch}
H01H2027/005 (The key receiving part having multiple openings to allow keys from different) appears on 45 US grants and 25 published applications in this corpus.
Search patents in H01H- Granted patents
- 45
- Published applications
- 25
- Assignees
- 21
- Inventors
- 80
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 3 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 2 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 3 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 2 | 1 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Safety switch for guarding accesses19 May 2026US 12,633,477 B2Pizzato Elettrica S.R. L.
- Safety switch4 Mar 2025US 12,243,705 B2Keyence Corporation
- Safety switch20 Feb 2024US 11,908,654 B2Keyence Corporation
- Guard locking switch with three concurrent directions of approach7 Feb 2023US 11,572,709 B2Rockwell Automation Technologies, Inc.
- Safety switch10 Jan 2023US 11,551,884 B2Keyence Corporation
- Safety switch for guarding accesses, related assembly and assembly method24 Oct 2024US 2024/0355560 A1Pizzato Elettrica S.R. L.
- Safety switch for guarding accesses9 May 2024US 2024/0153723 A1Pizzato Elettrica S.R. L.
- Safety Switch2 May 2024US 2024/0145187 A1Keyence Corporation
- Safety Switch6 Apr 2023US 2023/0104627 A1Keyence Corporation
- Guard locking switch with three concurrent directions of approach3 Dec 2020US 2020/0378154 A1Rockwell Automation Technologies, Inc.
Most cited
By later US patents
- Safety switch assembly48US 5,464,954 AIdec Izumi Corporation · 1995
- Key switch46US 6,307,167 B1OMRON Corporation · 2001
- Safety switch actuator28US 6,660,949 B2Idec Izumi Corporation · 2003
- Safety switch20US 5,516,993 AHans Bernstein Spezialfabrik fur Schaltkontake GmbH & Co. · 1996
- Safety switch assemblies20US 5,587,569 AE. J. A. Engineering PLC · 1996