Y02B 20/72
In street lighting
Official title: in street lighting
Y02B20/72 (In street lighting) appears on 570 US grants and 690 published applications in this corpus.
Search patents in Y02B- Granted patents
- 570
- Published applications
- 690
- Assignees
- 300
- Inventors
- 997
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 7 |
| 2003 | 5 | 9 |
| 2004 | 12 | 9 |
| 2005 | 4 | 17 |
| 2006 | 5 | 18 |
| 2007 | 12 | 24 |
| 2008 | 9 | 18 |
| 2009 | 5 | 33 |
| 2010 | 17 | 41 |
| 2011 | 22 | 41 |
| 2012 | 23 | 49 |
| 2013 | 32 | 64 |
| 2014 | 36 | 48 |
| 2015 | 48 | 58 |
| 2016 | 46 | 28 |
| 2017 | 46 | 36 |
| 2018 | 21 | 33 |
| 2019 | 36 | 28 |
| 2020 | 32 | 19 |
| 2021 | 19 | 18 |
| 2022 | 29 | 31 |
| 2023 | 23 | 20 |
| 2024 | 30 | 24 |
| 2025 | 17 | 10 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inflatable lighting device18 Aug 2026US 12,710,156 B2Ztarx Corporation Limited
- Multi-functional streetlight5 May 2026US 12,618,534 B2
- Roadside photovoltaic site selection method considering glare impact28 Apr 2026US 12,615,007 B1Cccc Second Highway Consultants Co., Ltd.
- Solar cell street lights assembly3 Mar 2026US 12,565,988 B2Top System Co., Ltd.
- Delta luminaire—photovoltaic powered roadway and area lighting luminaire9 Dec 2025US 12,492,788 B2Exposure Illumination Architects, Inc.
- Multi-functional Streetlight27 Aug 2026US 2026/0251273 A1
- Solar Light Assembly16 Jul 2026US 2026/0202025 A1Clear Blue Technologies Inc.
- Solar powered streetlamp solar collector14 May 2026US 2026/0132900 A14D Vision Corp
- Roadside photovoltaic site selection method considering glare impact30 Apr 2026US 2026/0121577 A1Cccc Second Highway Consultants Co., Ltd.
- Solar powered lighting device and method of using the same12 Mar 2026US 2026/0071729 A1Baichuang (Guangzhou) Electric Co., Ltd
Most cited
By later US patents
- 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
- Solar energy-operated street-lamp system149US 6,784,357 B12004
- Light source for white color LED lighting and white color LED lighting device137US 6,942,361 B12005