F21W 2111/02
Use or application of lighting devices or systems for signalling, marking or
Official title: for roads, paths or the like
F21W2111/02 (Use or application of lighting devices or systems for signalling, marking or) appears on 633 US grants and 491 published applications in this corpus.
Search patents in F21W- Granted patents
- 633
- Published applications
- 491
- Assignees
- 338
- Inventors
- 1,114
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 14 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 13 | 0 |
| 1998 | 12 | 0 |
| 1999 | 11 | 0 |
| 2000 | 22 | 0 |
| 2001 | 15 | 4 |
| 2002 | 18 | 21 |
| 2003 | 19 | 16 |
| 2004 | 18 | 15 |
| 2005 | 10 | 24 |
| 2006 | 16 | 20 |
| 2007 | 19 | 24 |
| 2008 | 15 | 21 |
| 2009 | 16 | 15 |
| 2010 | 13 | 18 |
| 2011 | 17 | 21 |
| 2012 | 16 | 25 |
| 2013 | 21 | 27 |
| 2014 | 21 | 20 |
| 2015 | 19 | 16 |
| 2016 | 24 | 23 |
| 2017 | 27 | 30 |
| 2018 | 23 | 26 |
| 2019 | 27 | 29 |
| 2020 | 28 | 35 |
| 2021 | 18 | 20 |
| 2022 | 22 | 13 |
| 2023 | 6 | 7 |
| 2024 | 9 | 9 |
| 2025 | 10 | 6 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light source for emission of projections indicating ideal foot placement and orientation relative to a walking aid11 Aug 2026US 12,702,614 B2
- Self-contained range detection systems with reconfigurable chatter-mitigated output indication21 Jul 2026US 12,687,623 B2Banner Engineering Corp.
- Panel for a paver construction30 Jun 2026US D1,132,466 S1Airlite Plastics Co. · Design
- Solar modular step light23 Jun 2026US 12,663,128 B1Shone Intelligent Optoelectronics (Guangdong) Co., Ltd
- Power and signal transfer system and LED design2 Dec 2025US 12,486,956 B2Hil Tech LLC
- Active stud configured to provide omnidirectional light output27 Aug 2026US 2026/0250918 A1Clearview Intelligence Ltd.
- Support Post Assemblies Having Illuminated Displays11 Jun 2026US 2026/0162568 A1
- Lightweight phosphorescent strip30 Apr 2026US 2026/0117937 A1Pexco Aerospace, Inc.
- Power and signal transfer system and led design26 Feb 2026US 2026/0055858 A1Hil Tech LLC
- Solar powered road devices and associated systems and methods15 Jan 2026US 2026/0016140 A1Brightpave Markers Inc.
Most cited
By later US patents
- Illumination components1,698US 6,211,626 B1Color Kinetics Incorporated · 2001
- Multicolored LED lighting method and apparatus1,174US 6,016,038 AColor Kinetics Incorporated · 2000
- Lighting entertainment system987US 6,166,496 AColor Kinetics Incorporated · 2000
- Multicolored LED lighting method and apparatus852US 6,150,774 AColor Kinetics Incorporated · 2000
- Smart light bulb852US 6,528,954 B1Color Kinetics Incorporated · 2003