F21V 25/125
Using intumescent material, i.e. using materials which swells up as a result
Official title: {using intumescent material, i.e. using materials which swells up as a result of heat exposure}
F21V25/125 (Using intumescent material, i.e. using materials which swells up as a result) appears on 20 US grants and 19 published applications in this corpus.
Search patents in F21V- Granted patents
- 20
- Published applications
- 19
- Assignees
- 14
- Inventors
- 24
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 4 |
| 2017 | 3 | 3 |
| 2018 | 3 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 3 |
| 2022 | 2 | 1 |
| 2023 | 2 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Lighting fixture14 Jul 2026US 12,680,687 B1ABL IP Holding LLC
- Fire rated canless recessed luminaire11 Mar 2025US 12,247,716 B2Progress Lighting, LLC
- Fire rated housing for lighting16 Jul 2024US 12,038,163 B1AMP Plus, Inc.
- Fire rated canless recessed luminaire13 Feb 2024US 11,898,721 B2Progress Lighting, LLC
- Ceiling fixture firestop24 Oct 2023US 11,794,043 B2Ursatech Ltd.
- Luminaire, especially for an explosive environment30 Jul 2026US 2026/0218892 A1Doublepower!! S.R.O.
- Fire rated canless recessed luminaire16 May 2024US 2024/0159367 A1Progress Lighting, LLC
- A collar for a recessed fixture19 Jan 2023US 2023/0020307 A1
- Fire rated canless recessed luminaire15 Dec 2022US 2022/0397248 A1Progress Lighting, LLC
- Modular Lighting Fixture28 Oct 2021US 2021/0332958 A1Lumi-Plugin Ltd.
Most cited
By later US patents
- Fire stop for light fixture25US 7,670,033 B2Tenmat Limited · 2010
- Light fixture system with continuous fire barrier18US 11,015,785 B1ABL IP Holding LLC · 2021
- Downlight firestop6US 9,803,845 B2Ursatech Ltd. · 2017
- Fire rated recessed lighting assembly4US 9,784,443 B2Elite Lighting · 2017
- Recessed light fixture4US 9,890,944 B2Lextar Electronics Corporation · 2018