H01H 9/48
Means for preventing discharge to non-current-carrying parts
Official title: Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
H01H9/48 (Means for preventing discharge to non-current-carrying parts) appears on 33 US grants and 19 published applications in this corpus.
Search patents in H01H- Granted patents
- 33
- Published applications
- 19
- Assignees
- 23
- Inventors
- 81
- Latest grant
- 9 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 5 | 1 |
| 2020 | 0 | 2 |
| 2021 | 3 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Keypad overlay with electrostatic discharge dissipation9 Jul 2024US 12,035,449 B2Mettler-Toledo AG
- Earth leakage breaker having leakage current limiting function1 Nov 2022US 11,489,334 B2VISION TECH Corporation
- Fixation system that serves to ground an insulated housing3 May 2022US 11,322,864 B2ABB Schweiz AG
- Temperature sensitive pellet type thermal fuse13 Jul 2021US 11,062,863 B2SCHOTT Japan Corporation
- Gas-insulated electric apparatus and manufacturing method of gas-insulated electric apparatus8 Jun 2021US 11,031,765 B2Mitsubishi Electric Corporation
- Compact switching apparatus3 Oct 2024US 2024/0332920 A1Eaton Intelligent Power Limited
- A tap changer and a transformer arrangement comprising the tap changer17 Aug 2023US 2023/0260695 A1ABB Power Grids Switzerland AG
- Keypad overlay with electrostatic discharge dissipation4 Aug 2022US 2022/0248521 A1Mettler-Toledo AG
- Earth leakage breaker having leakage current limiting function30 Dec 2021US 2021/0408785 A1VISION TECH Corporation
- Temperature Sensitive Pellet Type Thermal Fuse4 Mar 2021US 2021/0066008 A1SCHOTT Japan Corporation
Most cited
By later US patents
- Apparatus for electrically isolating circuit breaker rotor components20US 6,791,440 B2General Electric Company · 2004
- Supporting structure of fixed contact terminals18US 7,286,031 B2OMRON Corporation · 2007
- Line conductor gasket12US 5,206,614 AWestinghouse Electric Corp. · 1993
- Circuit breaker phase current barrier10US 5,194,840 AGeneral Electric Company · 1993
- Switch device and method of making9US 4,199,740 AGeneral Electric Company · 1980