H01H 2239/022
Miscellaneous: with opto-electronic switch
Official title: with opto-electronic switch
H01H2239/022 (Miscellaneous: with opto-electronic switch) appears on 87 US grants and 95 published applications in this corpus.
Search patents in H01H- Granted patents
- 87
- Published applications
- 95
- Assignees
- 66
- Inventors
- 188
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 5 |
| 2003 | 4 | 2 |
| 2004 | 3 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 3 |
| 2007 | 2 | 3 |
| 2008 | 4 | 5 |
| 2009 | 1 | 4 |
| 2010 | 2 | 7 |
| 2011 | 3 | 5 |
| 2012 | 5 | 4 |
| 2013 | 3 | 3 |
| 2014 | 3 | 3 |
| 2015 | 2 | 2 |
| 2016 | 3 | 0 |
| 2017 | 0 | 3 |
| 2018 | 5 | 6 |
| 2019 | 3 | 4 |
| 2020 | 5 | 4 |
| 2021 | 4 | 6 |
| 2022 | 2 | 2 |
| 2023 | 3 | 7 |
| 2024 | 5 | 2 |
| 2025 | 3 | 4 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Push button switch2 Jun 2026US 12,646,665 B2OMRON Corporation
- Push button switch26 May 2026US 12,640,319 B2OMRON Corporation
- Button27 Jan 2026US 12,537,148 B2Darwin Precisions Corporation
- Pushbutton switch, operating unit, and amusement machine12 Aug 2025US 12,387,550 B2OMRON Corporation
- Analog input device, computing system and method for receiving and processing analog input6 May 2025US 12,294,362 B2Razer (Asia-Pacific) Pte. Ltd.
- Photoelectric Microswitch16 Jul 2026US 2026/0205118 A1Dongguan City Kaihua Electronics Co., Ltd
- Pressing device19 Mar 2026US 2026/0081086 A1Chicony Electronics Co., Ltd.
- Fault Arc Protection: Circuit Breaker System to Interrupt Faulty Section5 Mar 2026US 2026/0066644 A1ABB Schweiz AG
- Elastic Piece Trigger Photoelectric Conduction Mechanism Applied to Key Switch12 Feb 2026US 2026/0045427 A1Dongguan City Kaihua Electronics Co., Ltd
- Multi-stage key structure29 Jan 2026US 2026/0031290 A1Primax Electronics Ltd.
Most cited
By later US patents
- Button panel system for a gaming device273US 6,102,394 AWMS Gaming Inc. · 2000
- Cluster key arrangement145US 6,377,685 B12002
- Force sensitive input devices and methods114US 8,922,399 B2Aimpad, LLC · 2014
- Switching device of thin type and display device with switch82US 5,977,888 AIdec Izumi Corporation · 1999
- Control and guiding device for manually operating a handling unit, and modular construction kit for making such devices of different configuration79US 6,592,321 B2Demag Cranes & Components GmbH · 2003