H01H 3/0213
Combined operation of electric switch and variable impedance
Official title: {Combined operation of electric switch and variable impedance, e.g. resistor, capacitor (H01H9/061 takes precedence)}
H01H3/0213 (Combined operation of electric switch and variable impedance) appears on 136 US grants and 70 published applications in this corpus.
Search patents in H01H- Granted patents
- 136
- Published applications
- 70
- Assignees
- 92
- Inventors
- 321
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 11 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 3 | 3 |
| 2004 | 5 | 2 |
| 2005 | 1 | 10 |
| 2006 | 4 | 2 |
| 2007 | 4 | 9 |
| 2008 | 2 | 2 |
| 2009 | 3 | 0 |
| 2010 | 4 | 4 |
| 2011 | 1 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 6 |
| 2017 | 3 | 3 |
| 2018 | 2 | 1 |
| 2019 | 3 | 4 |
| 2020 | 2 | 4 |
| 2021 | 3 | 2 |
| 2022 | 4 | 4 |
| 2023 | 3 | 2 |
| 2024 | 2 | 2 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-modal sensing transducers25 Mar 2025US 12,259,286 B2Interlink Electronics, Inc.
- Snap-action type switch21 Jan 2025US 12,205,787 B2Defond Electech Co., Ltd.
- Startup procedure for a passive infrared sensing circuit15 Oct 2024US 12,117,346 B2Lutron Technology Company LLC
- Power control apparatus and method2 Apr 2024US 11,948,759 B1Buster and Punch Limited
- Surge protector24 Oct 2023US 11,798,766 B2Dehn SE
- Pneumatically-controlled rf switch5 Mar 2026US 2026/0066200 A1
- Startup procedure for a passive infrared sensing circuit5 Dec 2024US 2024/0402017 A1Lutron Technology Company LLC
- Power control apparatus and method28 Mar 2024US 2024/0105405 A1Buster and Punch Limited
- Surge protector2 Feb 2023US 2023/0036343 A1Dehn SE
- Remotely-controllable load control device having an analog adjustment actuator2 Feb 2023US 2023/0036482 A1Lutron Technology Company LLC
Most cited
By later US patents
- Wallbox-mountable switch and dimmer1,519US 5,359,231 ALutron Electronics Co., Inc. · 1994
- Electrical switch and dimmer control device233US 6,005,308 ALutron Electronics Co., Inc. · 1999
- Wall-mountable switch & dimmer224US 5,637,930 ALutron Electronics Co., Inc. · 1997
- Face plate having press-fit attachment to electrical switches, outlets and the like149US 5,189,259 ALightolier Incorporated · 1993
- Wallbox-mountable dimmer and switch91US 4,939,383 ALutron Electronics Co., Inc. · 1990