H02J 7/1469
Regulation of the charging current or voltage otherwise than by variation of
Official title: {Regulation of the charging current or voltage otherwise than by variation of field}
H02J7/1469 (Regulation of the charging current or voltage otherwise than by variation of) appears on 459 US grants and 444 published applications in this corpus.
Search patents in H02J- Granted patents
- 459
- Published applications
- 444
- Assignees
- 220
- Inventors
- 987
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 2 |
| 2002 | 4 | 4 |
| 2003 | 4 | 6 |
| 2004 | 8 | 10 |
| 2005 | 7 | 10 |
| 2006 | 5 | 3 |
| 2007 | 8 | 11 |
| 2008 | 3 | 5 |
| 2009 | 11 | 13 |
| 2010 | 6 | 21 |
| 2011 | 7 | 11 |
| 2012 | 13 | 9 |
| 2013 | 12 | 34 |
| 2014 | 11 | 15 |
| 2015 | 16 | 11 |
| 2016 | 19 | 19 |
| 2017 | 11 | 15 |
| 2018 | 22 | 41 |
| 2019 | 26 | 30 |
| 2020 | 30 | 29 |
| 2021 | 30 | 38 |
| 2022 | 25 | 27 |
| 2023 | 31 | 25 |
| 2024 | 25 | 18 |
| 2025 | 25 | 21 |
| 2026 | 2 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Managing vehicles over a wireless network9 Dec 2025US 12,495,284 B2
- Marine propulsion system, outboard motor, and marine vessel21 Oct 2025US 12,448,101 B2Yamaha Hatsudoki Kabushiki Kaisha
- Electric apparatus1 Oct 2026US 2026/0302799 A1Honda Motor Co., Ltd.
- Energy converter and associated door closer27 Aug 2026US 2026/0254258 A1Assa Abloy AB
- Driving method in case of motor failure13 Aug 2026US 2026/0233727 A1Hyundai Motor Company
- Regulator for a vehicle6 Aug 2026US 2026/0229902 A1Brp-Rotax GmbH & Co. KG
- In-vehicle charging device and in-vehicle charging method9 Jul 2026US 2026/0192691 A1Aisin Corporation
Most cited
By later US patents
- Battery voltage reduction248US 6,936,995 B2General Motors Corporation · 2005
- Storage battery monitoring and recharging control system with automatic control of prime mover driving charging generator172US 3,991,357 AThe Stolle Corporation · 1976
- Generating apparatus with an adjustable speed change mechanism100US 4,651,082 AMitsubishi Denki Kabushiki Kaisha · 1987
- Mobile power generation system92US 6,700,214 B2Aura Systems, Inc. · 2004
- High efficiency DC motor with generator and flywheel characteristics83US 5,514,923 A1996