H01H 19/50
The operating part having four operative positions
Official title: the operating part having four operative positions, e.g. off/two-in-series/one-only/two-in-parallel
H01H19/50 (The operating part having four operative positions) appears on 18 US grants and 17 published applications in this corpus.
Search patents in H01H- Granted patents
- 18
- Published applications
- 17
- Assignees
- 16
- Inventors
- 37
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 3 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 2 | 2 |
| 2020 | 2 | 3 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Battery master disconnect switch with integrated voltage indicator21 Apr 2026US 12,609,254 B2Littelfuse, Inc.
- Switches with integral overcurrent protection components16 Sep 2025US 12,417,889 B2MP Hollywood
- Push button switch8 Oct 2024US 12,112,902 B1MIK Electronic Corporation
- Switches with integral overcurrent protection components5 Dec 2023US 11,837,426 B2MP Hollywood
- Devices for limiting switch positions for electrical devices2 Nov 2021US 11,164,709 B2Signify Holding B. V.
- Switches with integral overcurrent protection components23 Jul 2026US 2026/0213105 A1MP Hollywood
- Rotary knob device9 Jul 2026US 2026/0196424 A1Ichia Technologies, Inc.
- Switches with integral overcurrent protection components1 Aug 2024US 2024/0258058 A1MP Hollywood
- Battery master disconnect switch with integrated voltage indicator24 Aug 2023US 2023/0268147 A1Littelfuse, Inc.
- Switches with integral overcurrent protection components4 Feb 2021US 2021/0035763 A1MP Hollywood
Most cited
By later US patents
- Multi-position electrical switch19US 5,571,999 AMattel, Inc. · 1996
- Switch device comprising two switches which share a common conductor4US 10,504,673 B2LG Electronics Inc. · 2019
- Shaft assembly for rotary switch2US 9,469,420 B2The Boeing Company · 2016
- Fire alarm testing device and method1US 10,210,747 B12019
- GU24 3-way dimmer knob-type switch lampholder1US 8,101,878 B2Goldweal Far East Ltd. · 2012