H01H 33/02
Details
H01H33/02 (Details) appears on 2,738 US grants and 2,155 published applications in this corpus.
Search patents in H01H- Granted patents
- 2,738
- Published applications
- 2,155
- Assignees
- 594
- Inventors
- 4,660
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 31 | 0 |
| 1977 | 44 | 0 |
| 1978 | 50 | 0 |
| 1979 | 22 | 0 |
| 1980 | 33 | 0 |
| 1981 | 52 | 0 |
| 1982 | 35 | 0 |
| 1983 | 36 | 0 |
| 1984 | 50 | 0 |
| 1985 | 48 | 0 |
| 1986 | 34 | 0 |
| 1987 | 36 | 0 |
| 1988 | 22 | 0 |
| 1989 | 30 | 0 |
| 1990 | 19 | 0 |
| 1991 | 24 | 0 |
| 1992 | 30 | 0 |
| 1993 | 33 | 0 |
| 1994 | 27 | 0 |
| 1995 | 25 | 0 |
| 1996 | 34 | 0 |
| 1997 | 32 | 0 |
| 1998 | 32 | 0 |
| 1999 | 26 | 0 |
| 2000 | 28 | 0 |
| 2001 | 40 | 15 |
| 2002 | 43 | 36 |
| 2003 | 41 | 30 |
| 2004 | 43 | 31 |
| 2005 | 29 | 29 |
| 2006 | 21 | 27 |
| 2007 | 25 | 34 |
| 2008 | 13 | 51 |
| 2009 | 27 | 49 |
| 2010 | 39 | 44 |
| 2011 | 33 | 46 |
| 2012 | 43 | 77 |
| 2013 | 54 | 105 |
| 2014 | 76 | 152 |
| 2015 | 122 | 154 |
| 2016 | 142 | 118 |
| 2017 | 128 | 116 |
| 2018 | 103 | 115 |
| 2019 | 146 | 117 |
| 2020 | 120 | 147 |
| 2021 | 124 | 119 |
| 2022 | 125 | 140 |
| 2023 | 111 | 121 |
| 2024 | 102 | 126 |
| 2025 | 97 | 82 |
| 2026 | 58 | 74 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 33/04Means for extinguishing or preventing arc between current-carrying parts1,092
- H01H 33/59Circuit arrangements not adapted to a particular application of the switch and490
- H01H 33/53Cases471
- H01H 33/28Power arrangements internal to the switch for operating the driving mechanism383
- H01H 33/42Driving mechanisms251
- H01H 33/022Particular to three-phase circuit breakers221
- H01H 33/24Means for preventing discharge to non-current-carrying parts122
- H01H 33/027Integrated apparatus for measuring current or voltage113
All 14 subgroupsShow fewer
- H01H 33/46Interlocking mechanisms75
- H01H 33/025Terminal arrangements69
- H01H 2033/028The cooperating contacts being both actuated simultaneously in opposite directionsIndexing code64
- H01H 33/26Means for detecting the presence of an arc or other discharge56
- H01H 33/021Use of solid insulating compounds resistant to the contacting fluid dielectrics and29
- H01H 33/44Devices for ensuring operation of the switch at a predetermined point in5
Recent patents
- Arrangement and method for automatically configuring a magnetic drive6 Oct 2026US 12,755,912 B2Siemens Aktiengesellschaft
- Electrical protection devices comprising an integrated switching module6 Oct 2026US 12,755,918 B2Schneider Electric Industries SAS
- SF6 free gas insulated disconnector with limited arcing volume29 Sep 2026US 12,749,638 B2GE Vernova Infrastructure Technology LLC
- Drive system for a resettable interrupting switch1 Sep 2026US 12,725,745 B2Eaton Intelligent Power Limited
- Arc extinguishing unit and air circuit breaker comprising same25 Aug 2026US 12,718,996 B2Ls Electric Co., Ltd.
- Switching system of an electrical device8 Oct 2026US 2026/0311943 A1Schneider Electric Industries SAS
- Apparatuses and methods for improved switchgear sensor data communication1 Oct 2026US 2026/0302107 A1Hubbell Incorporated
- Medium or high voltage circuit breaker1 Oct 2026US 2026/0302108 A1GE Vernova Infrastructure Technology LLC
- Capacitor harvester24 Sep 2026US 2026/0290728 A1
- Hybrid switch assembly and circuit interrupter including the same17 Sep 2026US 2026/0279700 A1Eaton Intelligent Power Limited
Most cited
By later US patents
- Direct-current breaker for high power for connection into a direct-current carrying high-voltage line251US 5,517,378 AAsea Brown Boveri AG · 1996
- Insulator integrated power supply218US 8,964,433 B2ABB Technology AG · 2015
- Arcing fault protection system for a switchgear enclosure127US 6,141,192 ASquare D Company · 2000
- Current limiting device117US 5,614,881 AGeneral Electric Company · 1997
- Molded pole automatic circuit recloser with bistable electromagnetic actuator116US 5,912,604 AABB Power T&D Company Inc. · 1999