H02J 2207/50
Charging of capacitors, supercapacitors, ultra-capacitors or double layer capacitors
H02J2207/50 (Charging of capacitors, supercapacitors, ultra-capacitors or double layer capacitors) appears on 446 US grants and 780 published applications in this corpus.
Search patents in H02J- Granted patents
- 446
- Published applications
- 780
- Assignees
- 444
- Inventors
- 1,751
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 5 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 3 | 9 |
| 2019 | 4 | 13 |
| 2020 | 19 | 73 |
| 2021 | 41 | 91 |
| 2022 | 67 | 103 |
| 2023 | 79 | 120 |
| 2024 | 74 | 100 |
| 2025 | 99 | 132 |
| 2026 | 50 | 120 |
By publication year. 2026 runs to 8 Oct.
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Most cited
By later US patents
- DC capacitor balancing77US 8,294,306 B2Indian Institute of Technology Madras · 2012
- DC micro-grid52US 8,970,176 B2Bloom Energy Corporation · 2015
- Methods, systems and apparatus for powering a vehicle50US 11,322,311 B22022
- Hypercapacitor apparatus for storing and providing energy49US 11,222,750 B12022
- Fast electric vehicle charging and distributed grid resource adequacy management system29US 11,007,891 B1Electricfish Energy Inc. · 2021