H01H 29/20
Operated by tilting contact-liquid container
Official title: operated by tilting contact-liquid container
H01H29/20 (Operated by tilting contact-liquid container) appears on 91 US grants and 21 published applications in this corpus.
Search patents in H01H- Granted patents
- 91
- Published applications
- 21
- Assignees
- 34
- Inventors
- 111
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 1 |
| 2003 | 3 | 3 |
| 2004 | 4 | 4 |
| 2005 | 2 | 0 |
| 2006 | 3 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 4 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- High voltage bypass device, voltage source converter and operating method2 Sep 2025US 12,406,821 B2Hitachi Energy Ltd
- Impact switch22 Nov 2016US 9,502,196 B2ShockWatch, Inc.
- Impact switch17 Nov 2015US 9,190,229 B2ShockWatch, Inc.
- Method of manufacture of encapsulated gallium alloy containing switch30 Jul 2013US 8,496,995 B2Thermo Fisher Scientific Inc.
- Display device capable of automatically adjusting display orientation and the display segment arrangement thereof4 Oct 2011US 8,031,132 B2ASUSTeK COMPUTER INC.
- High voltage bypass device, voltage source converter and operating method3 Apr 2025US 2025/0112013 A1Hitachi Energy Ltd
- Manual tooth brush with timer17 Jan 2019US 2019/0014900 A1
- Non-reversible disconnection or break and make device for electrical appliances25 May 2017US 2017/0148595 A1Vlaamse Instelling Voor Technologisch Onderzoek (Vito)
- Ultraviolet bacteria-killing system for water closet cover1 Dec 2016US 2016/0345789 A1
- Impact switch17 Mar 2016US 2016/0079018 A1ShockWatch, Inc.
Most cited
By later US patents
- Pistol grip controller131US 4,425,488 A1984
- Electro-mechanical hand controller112US 4,450,325 A1984
- Liquid shut-off system112US 4,904,830 A1990
- Non-metallic liquid tilt switch and circuitry103US 5,751,074 AEdward B. Prior & Associates · 1998
- Mercury electrode switch93US 4,434,337 AW. G/u/ nther GmbH · 1984