H01H 2221/022
Electromagnetic
Official title: electromagnetic
H01H2221/022 (Electromagnetic) appears on 20 US grants and 27 published applications in this corpus.
Search patents in H01H- Granted patents
- 20
- Published applications
- 27
- Assignees
- 22
- Inventors
- 81
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 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 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 2 | 3 |
| 2021 | 2 | 3 |
| 2022 | 3 | 0 |
| 2023 | 3 | 2 |
| 2024 | 4 | 3 |
| 2025 | 1 | 12 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Switch and electronic device25 Aug 2026US 12,719,001 B2Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Control system and interrupter system13 May 2025US 12,300,450 B2Panasonic Intellectual Property Management Co., Ltd.
- Input device and switch assembly thereof13 Aug 2024US 12,061,753 B2Razer (Asia-Pacific) Pte. Ltd.
- Bistable retractable buttons11 Jun 2024US 12,009,162 B2Apple Inc.
- Switch apparatus7 May 2024US 11,978,602 B2Alps Electric Korea Co., Ltd.
- Apparatus and system for remotely operating a reset switch for electrical equipment30 Oct 2025US 2025/0336618 A1Duke Energy Corporation
- Control system and interrupter system31 Jul 2025US 2025/0246378 A1Panasonic Intellectual Property Management Co., Ltd.
- Micro-electromechanical system switch configured for high current and high power26 Jun 2025US 2025/0210282 A1Analog Devices International Unlimited Company
- Circuit breaker circuit with micro-electromechanical systems switch and isolation circuit26 Jun 2025US 2025/0210283 A1Analog Devices International Unlimited Company
- Circuit breaker circuitry with micro-electromechanical systems switch26 Jun 2025US 2025/0210295 A1Analog Devices International Unlimited Company
Most cited
By later US patents
- Compact pivoting input device5US 10,698,489 B1Apple Inc. · 2020
- Switching field5US 5,742,012 AKrone Aktiengesellschaft · 1998
- Acoustical electrical switch3US 10,014,137 B2AT&T Intellectual Property I, L. P. · 2018
- Bistable retractable buttons3US 10,957,501 B1Apple Inc. · 2021
- Smart acoustical electrical switch1US 10,672,572 B2AT&T Intellectual Property I, L. P. · 2020