H02J 7/345
Using capacitors as storage or buffering devices
Official title: {using capacitors as storage or buffering devices}
H02J7/345 (Using capacitors as storage or buffering devices) appears on 2,672 US grants and 3,540 published applications in this corpus.
Search patents in H02J- Granted patents
- 2,672
- Published applications
- 3,540
- Assignees
- 1,575
- Inventors
- 6,739
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 19 | 0 |
| 2000 | 16 | 0 |
| 2001 | 12 | 7 |
| 2002 | 16 | 21 |
| 2003 | 20 | 35 |
| 2004 | 28 | 41 |
| 2005 | 16 | 60 |
| 2006 | 31 | 46 |
| 2007 | 27 | 45 |
| 2008 | 39 | 68 |
| 2009 | 31 | 76 |
| 2010 | 57 | 80 |
| 2011 | 60 | 95 |
| 2012 | 55 | 104 |
| 2013 | 55 | 111 |
| 2014 | 78 | 110 |
| 2015 | 91 | 181 |
| 2016 | 126 | 167 |
| 2017 | 148 | 240 |
| 2018 | 176 | 243 |
| 2019 | 233 | 238 |
| 2020 | 216 | 269 |
| 2021 | 237 | 238 |
| 2022 | 197 | 208 |
| 2023 | 179 | 235 |
| 2024 | 190 | 242 |
| 2025 | 201 | 223 |
| 2026 | 110 | 157 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Motor driven electrosurgical device with mechanical and electrical feedback1,840US 9,161,803 B2Ethicon Endo-Surgery, Inc. · 2015
- Supercapacitor and charger for secondary power1,536US 7,772,720 B2SPX Corporation · 2010
- Electrical energy storage device1,518US 6,373,152 B1Synergy Scientech Corp. · 2002
- Uninterruptible power supply systems and enclosures1,044US 7,202,576 B1American Power Conversion Corporation · 2007
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