F21W 2111/027
For indicating kerbs, steps or stairs
Official title: for indicating kerbs, steps or stairs
F21W2111/027 (For indicating kerbs, steps or stairs) appears on 95 US grants and 68 published applications in this corpus.
Search patents in F21W- Granted patents
- 95
- Published applications
- 68
- Assignees
- 48
- Inventors
- 132
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 5 |
| 2003 | 4 | 4 |
| 2004 | 5 | 4 |
| 2005 | 2 | 7 |
| 2006 | 3 | 0 |
| 2007 | 7 | 3 |
| 2008 | 2 | 5 |
| 2009 | 2 | 5 |
| 2010 | 1 | 4 |
| 2011 | 8 | 3 |
| 2012 | 3 | 4 |
| 2013 | 3 | 3 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 4 | 1 |
| 2017 | 1 | 2 |
| 2018 | 3 | 4 |
| 2019 | 2 | 0 |
| 2020 | 2 | 2 |
| 2021 | 4 | 4 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-contained range detection systems with reconfigurable chatter-mitigated output indication21 Jul 2026US 12,687,623 B2Banner Engineering Corp.
- Solar modular step light23 Jun 2026US 12,663,128 B1Shone Intelligent Optoelectronics (Guangdong) Co., Ltd
- Outdoor step lamp5 Aug 2025US 12,379,080 B1
- Focus adjustable LED step light devices31 Dec 2024US 12,181,134 B2Lighting & Supplies, Inc.
- Entry step lighting system for aircraft30 Jul 2024US 12,049,992 B2Textron Innovations Inc.
- Entry Step Lighting System for Aircraft11 Apr 2024US 2024/0117950 A1Textron Aviation Inc.
- Focus adjustable led step light devices17 Aug 2023US 2023/0258321 A1Lighting & Supplies, Inc.
- Self-contained range detection systems with reconfigurable chatter-mitigated output indication2 Mar 2023US 2023/0064350 A1Banner Engineering Corp.
- Point source light assembly28 Oct 2021US 2021/0332957 A1Intense Lighting, LLC
- Adaptive headlight system3 Jun 2021US 2021/0162912 A1
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