F21S 43/255
Filters
Official title: {Filters}
F21S43/255 (Filters) appears on 264 US grants and 238 published applications in this corpus.
Search patents in F21S- Granted patents
- 264
- Published applications
- 238
- Assignees
- 114
- Inventors
- 562
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 9 | 6 |
| 2003 | 7 | 5 |
| 2004 | 3 | 5 |
| 2005 | 1 | 6 |
| 2006 | 5 | 3 |
| 2007 | 4 | 5 |
| 2008 | 3 | 5 |
| 2009 | 1 | 3 |
| 2010 | 2 | 3 |
| 2011 | 2 | 0 |
| 2012 | 2 | 6 |
| 2013 | 5 | 10 |
| 2014 | 5 | 7 |
| 2015 | 6 | 13 |
| 2016 | 4 | 5 |
| 2017 | 7 | 12 |
| 2018 | 10 | 9 |
| 2019 | 18 | 18 |
| 2020 | 16 | 6 |
| 2021 | 7 | 13 |
| 2022 | 14 | 24 |
| 2023 | 17 | 16 |
| 2024 | 18 | 23 |
| 2025 | 23 | 17 |
| 2026 | 12 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aircraft tail navigation light, aircraft comprising an aircraft tail navigation light, and method of operating an aircraft tail navigation light6 Oct 2026US 12,753,901 B2Goodrich Lighting Systems GmbH
- Lighting device for projecting an image onto the ground around a vehicle25 Aug 2026US 12,716,566 B2Valeo Vision
- Organic light-emitting apparatus having light-emitting layers including different material respectively, and display apparatus, lighting apparatus, electronic apparatus, moving object, and image-forming apparatus including organic light-emitting apparatus18 Aug 2026US 12,713,762 B2Canon Kabushiki Kaisha
- Aircraft navigation light and aircraft comprising the same14 Jul 2026US 12,679,559 B2Goodrich Lighting Systems GmbH
- Lighting apparatus14 Jul 2026US 12,680,664 B2Nichia Corporation
- Colored projection by multi-lens array projector8 Oct 2026US 2026/0309299 A1ams-OSRAM Asia Pacific Pte. Ltd.
- Vehicle lamp27 Aug 2026US 2026/0251280 A1Ichikoh Industries, Ltd.
- Vehicular lamp6 Aug 2026US 2026/0227046 A1Honda Motor Co., Ltd.
- Convertible vehicle lamp assemblies9 Jul 2026US 2026/0194202 A1Ford Global Technologies, LLC
- Lamp body structure18 Jun 2026US 2026/0168640 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Collimating lamp244US 6,527,411 B1Visteon Corporation · 2003
- Lighting device utilizing light active sheet material with integrated light emitting diode, disposed in seam and/or in low profile application208US 8,754,426 B2Grote Industries, Inc. · 2014
- Method and system for flexible illuminated devices having edge lighting utilizing light active sheet material with integrated light emitting diode181US 8,876,352 B2Grote Industries, Inc. · 2014
- Vehicular marker lamp107US 7,726,856 B2Koito Manufacturing Co., Ltd. · 2010
- Multi-chamber lamp for vehicles57US 6,296,382 B1Hella KG Hueck & Co. · 2001