H02J 7/18
Due to variation of ohmic resistance in field circuit, using resistance switching
Official title: due to variation of ohmic resistance in field circuit, using resistance switching in or out of circuit step by step
H02J7/18 (Due to variation of ohmic resistance in field circuit, using resistance switching) appears on 15 US grants and 15 published applications in this corpus.
Search patents in H02J- Granted patents
- 15
- Published applications
- 15
- Assignees
- 19
- Inventors
- 32
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 4 |
| 2020 | 2 | 1 |
| 2021 | 0 | 2 |
| 2022 | 3 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 0 |
| 2026 | 3 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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- Control system for battery health assessment,charging, and fault mitigation15 Feb 2024US 2024/0053404 A1GM Global Technology Operations LLC
- Switch device, current determination method and computer program12 Jan 2023US 2023/0008237 A1Autonetworks Technologies, Ltd.
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- Battery protection circuit and over-current blocking method using same15 Jul 2021US 2021/0218259 A1LG Chem.Ltd.
Most cited
By later US patents
- Control apparatus for a vehicular alternator20US 7,298,115 B2Mitsubishi Denki Kabushiki Kaisha · 2007
- Battery charger with segmented power path switch5US 9,178,407 B2National Semiconductor Corporation · 2015
- System for supplying electrical power to start vehicle engines2US 10,862,295 B2Concorde Battery Corporation · 2020
- Torque and current control methods for switching variable electric drive vehicles2US 11,394,330 B2GM Global Technology Operations LLC · 2022
- Battery charge termination voltage adjustment2US 11,863,009 B2Intel Corporation · 2024