F21W 2111/047
For light-buoys
Official title: for light-buoys
F21W2111/047 (For light-buoys) appears on 23 US grants and 18 published applications in this corpus.
Search patents in F21W- Granted patents
- 23
- Published applications
- 18
- Assignees
- 16
- Inventors
- 48
- Latest grant
- 20 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 4 |
| 2010 | 4 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 4 |
| 2016 | 1 | 2 |
| 2017 | 3 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Solar-powered, floating, fountain lamp20 Dec 2022US 11,530,789 B2Guangdong Minglun Optoelectronics Technology Co., Ltd.
- Light-signaling device for navigation and a system comprising multiple light-signaling devices for navigation7 Dec 2021US 11,195,390 B2
- Methods, systems, and devices for managing mooring sites27 Feb 2018US 9,902,475 B2
- Underwater observation apparatus14 Nov 2017US 9,817,139 B2Japan Agency for Marine-Earth Science and Technology
- Optic for a LED chip and related LED lighting device16 May 2017US 9,651,206 B2Khatod Optoelectronics Srl
- Solar-powered, floating, fountain lamp27 Oct 2022US 2022/0341554 A1Guangdong Minglun Optoelectronics Technology Co., Ltd.
- Light for marking an obstruction or a beacon and method for assembling such a light29 Oct 2020US 2020/0340661 A1Orga Holding B.V.
- Light-signaling device for navigation and a system comprising multiple light-signaling devices for navigation27 Aug 2020US 2020/0273301 A1
- Methods, Systems, and Devices for Managing Mooring Sites24 Aug 2017US 2017/0240255 A1
- Reflector for a led light source and related led lighting device16 Jun 2016US 2016/0169477 A9Khatod Optoelectronics Srl
Most cited
By later US patents
- Lighting methods and systems641US 7,178,941 B2Color Kinetics Incorporated · 2007
- Lighting units429US 5,890,794 A1999
- Lighting methods and systems134US 8,207,821 B2Philips Solid-State Lighting Solutions, Inc. · 2012
- Multi-source lighting device67US 5,899,557 A1999
- Side-emitting lens for LED lamp57US 7,703,950 B2C-R Control Systems, Inc. · 2010