F21S 9/04
The power supply being a generator
Official title: the power supply being a generator
F21S9/04 (The power supply being a generator) appears on 179 US grants and 230 published applications in this corpus.
Search patents in F21S- Granted patents
- 179
- Published applications
- 230
- Assignees
- 114
- Inventors
- 365
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 6 |
| 2003 | 3 | 3 |
| 2004 | 2 | 5 |
| 2005 | 5 | 9 |
| 2006 | 5 | 4 |
| 2007 | 3 | 10 |
| 2008 | 6 | 8 |
| 2009 | 3 | 17 |
| 2010 | 7 | 16 |
| 2011 | 3 | 18 |
| 2012 | 15 | 12 |
| 2013 | 12 | 15 |
| 2014 | 7 | 11 |
| 2015 | 10 | 14 |
| 2016 | 7 | 8 |
| 2017 | 10 | 9 |
| 2018 | 8 | 10 |
| 2019 | 11 | 11 |
| 2020 | 7 | 8 |
| 2021 | 7 | 8 |
| 2022 | 6 | 11 |
| 2023 | 8 | 4 |
| 2024 | 5 | 9 |
| 2025 | 7 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light adjustment device, photography light, and photography system18 Aug 2026US 12,710,170 B2Shenzhen Leqi Innovation Co., Ltd.
- Reliable and self-sufficient lighting system and method therefor28 Oct 2025US 12,455,055 B210644137 Canada Inc.
- Solar powered streetlamp solar collector28 Oct 2025US 12,456,943 B24D Vision Corp
- Devices using glass bows21 Oct 2025US 12,449,573 B2
- Lighting device using combined power generation14 Oct 2025US 12,442,523 B2
- Solar powered streetlamp solar collector14 May 2026US 2026/0132900 A14D Vision Corp
- Electronic Contact Lens Case23 Apr 2026US 2026/0108034 A1AC Meisner Investments, LLC
- Light adjustment device, photography light, and photography system6 Nov 2025US 2025/0341304 A1Shenzhen Leqi Innovation Co., Ltd.
- Reliable and self-sufficient lighting system and method therefor10 Jul 2025US 2025/0224086 A110644137 Canada Inc.
- Lighted power tool14 Nov 2024US 2024/0375253 A1
Most cited
By later US patents