H02J 1/04
Current-controlled supply systems
Official title: Current-controlled supply systems, e.g. constant-current supply systems
H02J1/04 (Current-controlled supply systems) appears on 110 US grants and 127 published applications in this corpus.
Search patents in H02J- Granted patents
- 110
- Published applications
- 127
- Assignees
- 114
- Inventors
- 276
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 4 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 1 |
| 2006 | 3 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 1 |
| 2011 | 3 | 5 |
| 2012 | 2 | 3 |
| 2013 | 4 | 5 |
| 2014 | 2 | 7 |
| 2015 | 4 | 9 |
| 2016 | 9 | 6 |
| 2017 | 10 | 8 |
| 2018 | 7 | 11 |
| 2019 | 9 | 7 |
| 2020 | 10 | 10 |
| 2021 | 12 | 9 |
| 2022 | 8 | 8 |
| 2023 | 4 | 5 |
| 2024 | 5 | 6 |
| 2025 | 2 | 3 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- DC power distribution system and voltage stabilizer15 Sep 2026US 12,738,731 B2TMEIC Corporation
- AC/DC substation configurable between charging and powering modes8 Sep 2026US 12,728,735 B2Caterpillar Inc.
- Direct-current bus control system9 Sep 2025US 12,413,070 B2Riken
- Grounding device for electric fence1 Jul 2025US 12,348,010 B2Transgard, Inc.
- Supply circuit for electrolytic cell comprising a short-circuit device and a disconnector17 Dec 2024US 12,168,832 B2Amc
- Power supply and a method for supplying direct current to a load14 May 2026US 2026/0135376 A1Skeleton Technologies AG
- Peripheral power module for personal electric vehicles23 Apr 2026US 2026/0109307 A1
- Multi-module power management23 Apr 2026US 2026/0111072 A1NXP USA, Inc.
- Modular spa controller with variable frequency drive16 Apr 2026US 2026/0106453 A1Balboa Water Group, Inc.
- Long-distance underwater power supply system2 Apr 2026US 2026/0095045 A1HMN Technologies Co., Limited
Most cited
By later US patents
- Power distribution with digital current control90US 6,841,979 B2PowerDsine, Ltd. · 2005
- Light emitting diode driver circuit and method62US 7,015,654 B1Laughing Rabbit, Inc. · 2006
- Method and apparatus for parallel operation of packet energy transfer receivers51US 10,468,879 B2VoltServer, Inc. · 2019
- Power factor corrector with efficient ripple attenuator28US 6,650,554 B2Powersine Ltd. · 2003
- Switching constant-current power supply21US 6,909,249 B2Toko, Inc. · 2005