H02J
Power supply and charging
Official title: Electric power networks; circuit arrangements or systems for supplying or distributing electric power; systems for storing electric energy
H02J (Power supply and charging) appears on 75,988 US grants and 93,871 published applications in this corpus.
Search patents in H02J- Granted patents
- 75,988
- Published applications
- 93,871
- Assignees
- 16,740
- Inventors
- 119,529
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 129 | 0 |
| 1977 | 118 | 0 |
| 1978 | 110 | 0 |
| 1979 | 122 | 0 |
| 1980 | 152 | 0 |
| 1981 | 140 | 0 |
| 1982 | 178 | 0 |
| 1983 | 180 | 0 |
| 1984 | 151 | 0 |
| 1985 | 134 | 0 |
| 1986 | 161 | 0 |
| 1987 | 262 | 0 |
| 1988 | 178 | 0 |
| 1989 | 211 | 0 |
| 1990 | 156 | 0 |
| 1991 | 177 | 0 |
| 1992 | 258 | 0 |
| 1993 | 319 | 0 |
| 1994 | 323 | 0 |
| 1995 | 329 | 0 |
| 1996 | 431 | 0 |
| 1997 | 592 | 0 |
| 1998 | 639 | 0 |
| 1999 | 666 | 0 |
| 2000 | 643 | 0 |
| 2001 | 707 | 212 |
| 2002 | 658 | 669 |
| 2003 | 634 | 837 |
| 2004 | 602 | 1013 |
| 2005 | 542 | 1122 |
| 2006 | 660 | 1098 |
| 2007 | 567 | 1189 |
| 2008 | 656 | 1454 |
| 2009 | 886 | 1763 |
| 2010 | 1130 | 2172 |
| 2011 | 1230 | 2712 |
| 2012 | 1611 | 3353 |
| 2013 | 1827 | 4116 |
| 2014 | 2304 | 4398 |
| 2015 | 3024 | 4851 |
| 2016 | 3747 | 5201 |
| 2017 | 4394 | 5462 |
| 2018 | 4948 | 5487 |
| 2019 | 5638 | 5629 |
| 2020 | 5039 | 5922 |
| 2021 | 5125 | 5865 |
| 2022 | 5086 | 6289 |
| 2023 | 4612 | 6480 |
| 2024 | 5251 | 6494 |
| 2025 | 5051 | 5859 |
| 2026 | 3300 | 4224 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- H02J 7/00Circuit arrangements for charging or discharging batteries or for supplying loads from44,328
- H02J 3/00Circuit arrangements for ac mains or ac distribution networks17,646
- H02J 50/00Circuit arrangements or systems for wireless supply or distribution of electric power17,275
- H02J 2105/00Networks for supplying or distributing electric power characterised by their spatial reachIndexing code11,944
- H02J 9/00Circuit arrangements for emergency or stand-by power supply7,476
- H02J 2101/00Supply or distribution of decentralised, dispersed or local electric power generationIndexing code6,852
- H02J 13/00Circuit arrangements for providing remote monitoring or remote control of equipment in6,186
- H02J 1/00Circuit arrangements for dc mains or dc distribution networks5,992
All 14 main groupsShow fewer
- H02J 2207/00Details of circuit arrangements for charging or discharging batteries or supplying loadsIndexing code5,474
- H02J 4/00Circuit arrangements for mains or distribution networks not specified as ac or2,158
- H02J 2103/00Details of circuit arrangements for mains or ac distribution networksIndexing code2,044
- H02J 15/00Systems for storing electric energy specially adapted for power networks623
- H02J 11/00Circuit arrangements for providing service supply to auxiliaries of stations in which185
- H02J 2107/00Circuit arrangements for communication specially adapted for monitoring, managing or controlling operationIndexing code55
Recent patents
- Radiographic imaging apparatus and radiographic imaging system6 Oct 2026US 12,751,686 B2Konica Minolta, Inc.
- Mobile device disinfection6 Oct 2026US 12,752,027 B2UV Partners, Inc.
- Energy welding device and method6 Oct 2026US 12,752,494 B2
- Systems for auxiliary battery for inverter for electric vehicle6 Oct 2026US 12,752,639 B2BorgWarner Inc.
- Vehicle-to-vehicle charging box and method for direct current fast-charging using the same6 Oct 2026US 12,752,644 B2GM Global Technology Operations LLC
- An Assembly Comprising a Portable Charging Device and an Aerosol Generating Device, and a Method of Controlling the Same8 Oct 2026US 2026/0305727 A1JT International SA
- Devices, systems, and methods of vaporizing a liquid agent8 Oct 2026US 2026/0305728 A1Pusha Company, LLC
- System and method for capturing and transmitting biometric data8 Oct 2026US 2026/0305955 A1Nexa Labs Inc.
- Interchangeable Watch Strap with Removably Secured Electronic Sensing Module8 Oct 2026US 2026/0306021 A1
- Skin treatment device8 Oct 2026US 2026/0306124 A1DD Karma LLC d/b/a Dermaflash
Most cited
By later US patents
- Local in-device memory feature for electrically powered medical equipment2,344US 5,400,267 AHemostatix Corporation · 1995
- Robotically-controlled motorized surgical end effector system with rotary actuated closure systems having variable actuation speeds2,342US 8,602,288 B2Ethicon Endo-Surgery, Inc. · 2013
- Power control arrangements for surgical instruments and batteries2,057US 8,632,525 B2Ethicon Endo-Surgery, Inc. · 2014
- Surgical instrument having a power control circuit1,889US 8,695,866 B2Ethicon Endo-Surgery, Inc. · 2014
- Motor driven electrosurgical device with mechanical and electrical feedback1,840US 9,161,803 B2Ethicon Endo-Surgery, Inc. · 2015