H02J 7/34
Parallel operation in networks using both storage and other dc sources
Official title: Parallel operation in networks using both storage and other DC sources, e.g. providing buffering (H02J7/14 takes precedence)
H02J7/34 (Parallel operation in networks using both storage and other dc sources) appears on 9,654 US grants and 13,150 published applications in this corpus.
Search patents in H02J- Granted patents
- 9,654
- Published applications
- 13,150
- Assignees
- 4,222
- Inventors
- 21,790
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 9 | 0 |
| 1980 | 7 | 0 |
| 1981 | 9 | 0 |
| 1982 | 10 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 10 | 0 |
| 1986 | 12 | 0 |
| 1987 | 19 | 0 |
| 1988 | 14 | 0 |
| 1989 | 14 | 0 |
| 1990 | 12 | 0 |
| 1991 | 10 | 0 |
| 1992 | 17 | 0 |
| 1993 | 11 | 0 |
| 1994 | 15 | 0 |
| 1995 | 12 | 0 |
| 1996 | 25 | 0 |
| 1997 | 37 | 0 |
| 1998 | 32 | 0 |
| 1999 | 58 | 0 |
| 2000 | 62 | 0 |
| 2001 | 58 | 19 |
| 2002 | 64 | 60 |
| 2003 | 72 | 101 |
| 2004 | 65 | 119 |
| 2005 | 58 | 160 |
| 2006 | 76 | 141 |
| 2007 | 52 | 135 |
| 2008 | 74 | 207 |
| 2009 | 92 | 249 |
| 2010 | 135 | 264 |
| 2011 | 156 | 359 |
| 2012 | 173 | 443 |
| 2013 | 210 | 474 |
| 2014 | 271 | 502 |
| 2015 | 375 | 686 |
| 2016 | 449 | 718 |
| 2017 | 567 | 874 |
| 2018 | 717 | 874 |
| 2019 | 782 | 900 |
| 2020 | 753 | 908 |
| 2021 | 771 | 801 |
| 2022 | 710 | 863 |
| 2023 | 660 | 933 |
| 2024 | 732 | 916 |
| 2025 | 789 | 850 |
| 2026 | 369 | 594 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Radiographic imaging apparatus and radiographic imaging system6 Oct 2026US 12,751,686 B2Konica Minolta, Inc.
- 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
- Electric vehicle charging system capable of generating electricity by solar energy6 Oct 2026US 12,752,656 B2
- Controlled-environment facility resident wearables and systems and methods for use6 Oct 2026US 12,754,586 B1Securus Technologies, Inc.
- Vehicle battery cell balancing8 Oct 2026US 2026/0307535 A1Ford Global Technologies, LLC
- In-vehicle control device8 Oct 2026US 2026/0309800 A1Autonetworks Technologies, Ltd.
- Data center powered by a renewable energy source8 Oct 2026US 2026/0312413 A1Sage Geosystems Inc.
- Electronic device and method with reconfiguration of battey connection1 Oct 2026US 2026/0296261 A1Samsung Electronics Co., Ltd.
- Battery module for an electrically-driven aircraft, method for manufacturing a battery module and electrically-driven aircraft powered by a battery module1 Oct 2026US 2026/0296265 A1H55 SA
Most cited
By later US patents
- Motor driven electrosurgical device with mechanical and electrical feedback1,840US 9,161,803 B2Ethicon Endo-Surgery, Inc. · 2015
- Interactive displays1,824US 9,283,054 B2Ethicon Endo-Surgery, Inc. · 2016
- Closure indicator systems for surgical instruments1,647US 9,445,813 B2Ethicon Endo-Surgery, Inc. · 2016
- Motorized surgical instrument1,642US 9,005,230 B2Ethicon Endo-Surgery, Inc. · 2015
- Supercapacitor and charger for secondary power1,536US 7,772,720 B2SPX Corporation · 2010