H01H 3/00
Mechanisms for operating contacts
Official title: Mechanisms for operating contacts ({for tap changers H01H9/0027;} thermal actuating or release means H01H37/02)
H01H3/00 (Mechanisms for operating contacts) appears on 6,649 US grants and 4,947 published applications in this corpus.
Search patents in H01H- Granted patents
- 6,649
- Published applications
- 4,947
- Assignees
- 2,161
- Inventors
- 10,785
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 60 | 0 |
| 1977 | 64 | 0 |
| 1978 | 59 | 0 |
| 1979 | 61 | 0 |
| 1980 | 51 | 0 |
| 1981 | 81 | 0 |
| 1982 | 57 | 0 |
| 1983 | 58 | 0 |
| 1984 | 55 | 0 |
| 1985 | 70 | 0 |
| 1986 | 73 | 0 |
| 1987 | 110 | 0 |
| 1988 | 98 | 0 |
| 1989 | 92 | 0 |
| 1990 | 80 | 0 |
| 1991 | 95 | 0 |
| 1992 | 81 | 0 |
| 1993 | 85 | 0 |
| 1994 | 84 | 0 |
| 1995 | 91 | 0 |
| 1996 | 111 | 0 |
| 1997 | 98 | 0 |
| 1998 | 141 | 0 |
| 1999 | 159 | 0 |
| 2000 | 168 | 0 |
| 2001 | 128 | 47 |
| 2002 | 147 | 120 |
| 2003 | 137 | 129 |
| 2004 | 140 | 135 |
| 2005 | 104 | 137 |
| 2006 | 116 | 127 |
| 2007 | 107 | 137 |
| 2008 | 96 | 190 |
| 2009 | 103 | 175 |
| 2010 | 107 | 177 |
| 2011 | 139 | 166 |
| 2012 | 159 | 187 |
| 2013 | 137 | 207 |
| 2014 | 175 | 269 |
| 2015 | 221 | 267 |
| 2016 | 237 | 191 |
| 2017 | 241 | 261 |
| 2018 | 266 | 256 |
| 2019 | 284 | 300 |
| 2020 | 255 | 287 |
| 2021 | 242 | 214 |
| 2022 | 224 | 264 |
| 2023 | 223 | 240 |
| 2024 | 237 | 196 |
| 2025 | 166 | 142 |
| 2026 | 76 | 126 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 3/02Operating parts, i.e. for operating driving mechanism by a mechanical force external3,795
- H01H 3/32Driving mechanisms, i.e. for transmitting driving force to the contacts1,275
- H01H 3/22Power arrangements internal to the switch for operating the driving mechanism1,137
- H01H 2003/008Mechanisms for operating contacts: with a haptic or a tactile feedback controlledIndexing code367
- H01H 3/60Mechanical arrangements for preventing or damping vibration or shock247
- H01H 3/001Means for preventing or breaking contact-welding243
- H01H 3/54Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts129
- H01H 3/62Lubricating means structurally associated with the switch53
Recent patents
- Working machine with a frame structure controlled emergency stop actuator22 Sep 2026US 12,741,619 B2Volvo Construction Equipment AB
- Light emitting device and switch device22 Sep 2026US 12,744,168 B2Valeo Japan Co., Ltd.
- Vehicle electrical switch assembly22 Sep 2026US 12,744,530 B2Nissan North America, Inc.
- Switch8 Sep 2026US 12,731,738 B2Mitsubishi Electric Corporation
- Switch with a movable contact and an elastic assembly8 Sep 2026US 12,731,739 B2Eaton Intelligent Power Limited
- Switch pole for electrical systems8 Oct 2026US 2026/0311939 A1
- Operating mechanism and rotary isolating switch8 Oct 2026US 2026/0311940 A1Noark Electrics (Shanghai) Co., Ltd.
- Reversible, Pyrotechnic Contacting Device for an Onboard High-Voltage Electrical System of a Motor Vehicle1 Oct 2026US 2026/0296201 A1Bayerische Motoren Werke Aktiengesellschaft
- Apparatus for utility control1 Oct 2026US 2026/0298362 A1WCM Industries, Inc.
- Electrical wiring device assemblies with easy to clean surfaces1 Oct 2026US 2026/0302096 A1Pass & Seymour, Inc.
Most cited
By later US patents
- Motor-driven surgical cutting instrument with electric actuator directional control assembly2,367US 8,220,688 B2Ethicon Endo-Surgery, Inc. · 2012
- Motor-driven surgical cutting instrument with electric actuator directional control assembly2,180US 8,453,914 B2Ethicon Endo-Surgery, Inc. · 2013
- Surgical system providing automatic reconfiguration1,782US 5,997,528 ABausch & Lomb Surgical, Inc. · 1999
- Method of making a composite article including a body having a decorative metal plate attached thereto1,527US 4,604,786 AThe Grigoleit Company · 1986
- Surgical handpiece1,523US 5,873,885 AStorz Instrument Company · 1999