H01H 35/42
Switches operated by change of humidity
H01H35/42 (Switches operated by change of humidity) appears on 59 US grants and 22 published applications in this corpus.
Search patents in H01H- Granted patents
- 59
- Published applications
- 22
- Assignees
- 38
- Inventors
- 106
- Latest grant
- 19 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 3 | 4 |
| 2004 | 4 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 4 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 3 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for changing impedance of terminal included in connector19 Jul 2022US 11,394,225 B2Samsung Electronics Co., Ltd.
- Switch device, electronic component, and battery system30 Mar 2021US 10,964,495 B2Dexerials Corporation
- Switch device, electronic component, and battery system17 Mar 2020US 10,593,494 B2Dexerials Corporation
- Electrostatically actuated torsional resonant sensors and switches11 Feb 2020US 10,557,827 B2King Abdullah University of Science and Technology
- Modules, systems, and methods for monitoring environmental conditions28 May 2019US 10,302,455 B2BelluTech LLC
- Method and apparatus for changing impedance of terminal included in connector28 Oct 2021US 2021/0336469 A1Samsung Electronics Co., Ltd.
- Switch device and protective device8 Oct 2020US 2020/0321175 A1Dexerials Corporation
- Switch device and protective device28 Feb 2019US 2019/0066953 A1Dexerials Corporation
- Switch device, electronic component, and battery system18 Oct 2018US 2018/0301302 A1Dexerials Corporation
- Switch device, electronic component, and battery system11 Oct 2018US 2018/0294118 A1Dexerials Corporation
Most cited
By later US patents
- Protective mechanism in electrically operated devices109US 4,589,047 A1986
- Water leakage detection device98US 5,188,143 A1993
- Moisture absorptive rain sensor with sealed position sensing element for irrigation watering program interrupt78US 6,977,351 B1Hunter Industries, Inc. · 2005
- Quick shut-off extended range hygroscopic rain sensor for irrigation systems70US 6,570,109 B2Hunter Industries, Inc. · 2003
- Rain switch57US 5,101,083 AThe Toro Company · 1992