H01H 9/00
Details of switching devices, not covered by groups h01h1/00 - h01h7/00
Official title: Details of switching devices, not covered by groups H01H1/00 - H01H7/00
H01H9/00 (Details of switching devices, not covered by groups h01h1/00 - h01h7/00) appears on 10,167 US grants and 8,136 published applications in this corpus.
Search patents in H01H- Granted patents
- 10,167
- Published applications
- 8,136
- Assignees
- 2,962
- Inventors
- 16,922
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 71 | 0 |
| 1977 | 73 | 0 |
| 1978 | 89 | 0 |
| 1979 | 64 | 0 |
| 1980 | 74 | 0 |
| 1981 | 89 | 0 |
| 1982 | 71 | 0 |
| 1983 | 64 | 0 |
| 1984 | 104 | 0 |
| 1985 | 98 | 0 |
| 1986 | 121 | 0 |
| 1987 | 127 | 0 |
| 1988 | 120 | 0 |
| 1989 | 135 | 0 |
| 1990 | 123 | 0 |
| 1991 | 111 | 0 |
| 1992 | 122 | 0 |
| 1993 | 142 | 0 |
| 1994 | 133 | 0 |
| 1995 | 136 | 0 |
| 1996 | 181 | 0 |
| 1997 | 150 | 0 |
| 1998 | 215 | 0 |
| 1999 | 224 | 0 |
| 2000 | 187 | 0 |
| 2001 | 187 | 52 |
| 2002 | 184 | 165 |
| 2003 | 187 | 202 |
| 2004 | 204 | 178 |
| 2005 | 163 | 216 |
| 2006 | 169 | 228 |
| 2007 | 160 | 213 |
| 2008 | 161 | 233 |
| 2009 | 160 | 235 |
| 2010 | 165 | 250 |
| 2011 | 166 | 244 |
| 2012 | 225 | 291 |
| 2013 | 253 | 418 |
| 2014 | 308 | 410 |
| 2015 | 363 | 444 |
| 2016 | 389 | 433 |
| 2017 | 424 | 417 |
| 2018 | 424 | 414 |
| 2019 | 473 | 435 |
| 2020 | 409 | 458 |
| 2021 | 397 | 372 |
| 2022 | 358 | 426 |
| 2023 | 351 | 391 |
| 2024 | 355 | 392 |
| 2025 | 314 | 357 |
| 2026 | 194 | 262 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01H 9/02Bases, casings, or covers3,250
- H01H 9/30Means for extinguishing or preventing arc between current-carrying parts1,757
- H01H 9/20Interlocking, locking, or latching mechanisms1,502
- H01H 9/54Circuit arrangements not adapted to a particular application of the switching device1,400
- H01H 9/16Indicators for switching condition1,065
- H01H 9/18Distinguishing marks on switches687
- H01H 9/0005Tap change devices374
- H01H 9/10Adaptation for built-in fuses356
All 20 subgroupsShow fewer
- H01H 9/52Cooling of switch parts325
- H01H 9/08Arrangements to facilitate replacement of a switch187
- H01H 9/0066Auxiliary contact devices131
- H01H 2009/0083Details of switching devices, not covered by groups h01h1/00 - h01h7/00: usingIndexing code93
- H01H 9/12Means for earthing parts of switch not normally conductively connected to the79
- H01H 9/0072Particular to three-phase switches70
- H01H 9/50Means for detecting the presence of an arc or discharge69
- H01H 2009/0088Details of rotatable shafts common to more than one pole or switchIndexing code36
- H01H 2009/0094Details of rotatable shafts which are subdividedIndexing code33
- H01H 9/48Means for preventing discharge to non-current-carrying parts33
- H01H 9/14Adaptation for built-in safety spark gaps32
- H01H 2009/0077Details of switching devices, not covered by groups h01h1/00 - h01h7/00: usingIndexing code23
Recent patents
- Key structure6 Oct 2026US 12,755,908 B2Acer Incorporated
- Electrical protection devices comprising an integrated switching module6 Oct 2026US 12,755,918 B2Schneider Electric Industries SAS
- Compact recloser6 Oct 2026US 12,755,919 B2Hubbell Incorporated
- Wire management connector with wire bending relief for plug-in type electrical wiring devices6 Oct 2026US 12,756,131 B2Eaton Intelligent Power Limited
- Device for limiting movement of movable part in electrical equipment29 Sep 2026US 12,749,633 B2Schneider Electric Industries SAS
- Switch pole for electrical systems8 Oct 2026US 2026/0311938 A1
- Switch pole for electrical systems8 Oct 2026US 2026/0311939 A1
- Directional switch interlock for a power tool1 Oct 2026US 2026/0295802 A1
- Electrical wiring device assemblies with easy to clean surfaces1 Oct 2026US 2026/0302096 A1Pass & Seymour, Inc.
- Reed sensor with wrap-back switch design1 Oct 2026US 2026/0302109 A1Dongguan Littelfuse Electronics Company Limited
Most cited
By later US patents
- Self-contained powered surgical apparatus3,063US 5,779,130 AUnited States Surgical Corporation · 1998
- Cordless, battery operated surical tool1,621US 5,747,953 AStryker Corporation · 1998
- Switch and connector1,605US 5,541,376 AValleylab, Inc. · 1996
- Programmable remote control device for interacting with a plurality of remotely controlled devices1,549US 5,410,326 A1995
- Force switch1,496US 7,479,608 B2Ethicon Endo-Surgery, Inc. · 2009