F21S 9/03
Rechargeable by exposure to light
Official title: rechargeable by exposure to light
F21S9/03 (Rechargeable by exposure to light) appears on 1,097 US grants and 1,347 published applications in this corpus.
Search patents in F21S- Granted patents
- 1,097
- Published applications
- 1,347
- Assignees
- 527
- Inventors
- 1,908
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 10 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 11 | 0 |
| 2001 | 7 | 2 |
| 2002 | 6 | 20 |
| 2003 | 12 | 18 |
| 2004 | 18 | 23 |
| 2005 | 13 | 32 |
| 2006 | 21 | 44 |
| 2007 | 19 | 50 |
| 2008 | 17 | 50 |
| 2009 | 16 | 46 |
| 2010 | 31 | 70 |
| 2011 | 35 | 67 |
| 2012 | 40 | 78 |
| 2013 | 50 | 63 |
| 2014 | 51 | 69 |
| 2015 | 46 | 69 |
| 2016 | 46 | 48 |
| 2017 | 56 | 76 |
| 2018 | 45 | 73 |
| 2019 | 77 | 78 |
| 2020 | 62 | 62 |
| 2021 | 46 | 48 |
| 2022 | 72 | 73 |
| 2023 | 59 | 46 |
| 2024 | 67 | 56 |
| 2025 | 59 | 50 |
| 2026 | 31 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Solar pool lamp6 Oct 2026US 12,753,910 B2Shenzhen Maining Innovation Technology Co., Ltd.
- Environmental-friendly luminous flowerpot15 Sep 2026US 12,733,595 B2Zhejiang Dingsheng Outdoor Living Products Co., Ltd.
- Solar panel charging block and load outlets15 Sep 2026US 12,738,746 B2
- Solar-powered inflatable swimming pool with lights1 Sep 2026US 12,723,424 B1Shenzhen Cootway Technology Co., Ltd.
- Fence/ railing structure1 Oct 2026US 2026/0297977 A1
- Organic-light emitting diode1 Oct 2026US 2026/0298429 A1Pictiva Displays International Limited
- Inflatable lighting device1 Oct 2026US 2026/0298437 A1Ztarx Corporation Limited
- Rotating Tent17 Sep 2026US 2026/0275758 A1
- Solar led light floor that can be spliced10 Sep 2026US 2026/0266443 A1
Most cited
By later US patents
- Lighting units429US 5,890,794 A1999
- LED-based lighting methods, apparatus, and systems employing LED light bars, occupancy sensing, local state machine, and meter circuit196US 8,138,690 B2Digital Lumens Incorporated · 2012
- Illumination cell for a votive light174US 5,980,064 A1999
- Lighting device168US 7,722,220 B2Cree LED Lighting Solutions, Inc. · 2010
- Display apparatus159US 6,215,409 B1Solaglo Pty Ltd. · 2001