F21V 11/00
Screens not covered by groups f21v1/00, f21v3/00, f21v7/00 or f21v9/00
Official title: Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 (characterised by cooling arrangements F21V29/502)
F21V11/00 (Screens not covered by groups f21v1/00, f21v3/00, f21v7/00 or f21v9/00) appears on 1,507 US grants and 1,403 published applications in this corpus.
Search patents in F21V- Granted patents
- 1,507
- Published applications
- 1,403
- Assignees
- 771
- Inventors
- 2,814
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 11 | 0 |
| 1987 | 6 | 0 |
| 1988 | 13 | 0 |
| 1989 | 22 | 0 |
| 1990 | 13 | 0 |
| 1991 | 16 | 0 |
| 1992 | 12 | 0 |
| 1993 | 9 | 0 |
| 1994 | 12 | 0 |
| 1995 | 8 | 0 |
| 1996 | 19 | 0 |
| 1997 | 14 | 0 |
| 1998 | 27 | 0 |
| 1999 | 24 | 0 |
| 2000 | 16 | 0 |
| 2001 | 26 | 10 |
| 2002 | 17 | 21 |
| 2003 | 24 | 20 |
| 2004 | 22 | 24 |
| 2005 | 19 | 56 |
| 2006 | 35 | 45 |
| 2007 | 36 | 35 |
| 2008 | 28 | 53 |
| 2009 | 30 | 51 |
| 2010 | 33 | 41 |
| 2011 | 39 | 61 |
| 2012 | 35 | 40 |
| 2013 | 40 | 98 |
| 2014 | 57 | 73 |
| 2015 | 57 | 66 |
| 2016 | 45 | 65 |
| 2017 | 56 | 76 |
| 2018 | 82 | 96 |
| 2019 | 115 | 78 |
| 2020 | 81 | 60 |
| 2021 | 68 | 68 |
| 2022 | 70 | 58 |
| 2023 | 65 | 57 |
| 2024 | 58 | 73 |
| 2025 | 58 | 43 |
| 2026 | 30 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F21V 11/08Screens not covered by groups f21v1/00, f21v3/00, f21v7/00 or f21v9/00: using diaphragms505
- F21V 11/16Screens not covered by groups f21v1/00, f21v3/00, f21v7/00 or f21v9/00: using sheets406
- F21V 11/02Screens not covered by groups f21v1/00, f21v3/00, f21v7/00 or f21v9/00: using parallel237
- F21V 11/06Screens not covered by groups f21v1/00, f21v3/00, f21v7/00 or f21v9/00: using crossed181
Recent patents
- Illuminated control module for a motor vehicle6 Oct 2026US 12,753,904 B2Dav
- Light fixture including a three-bar frame solver for shutter control6 Oct 2026US 12,753,906 B2Electronic Theatre Controls, Inc.
- Nicheless pool and spa light15 Sep 2026US 12,736,209 B1Aquastar Pool Products, Inc.
- Modular multi-light source glare-shielding structure and light source module using the same8 Sep 2026US 12,729,830 B1Huizhou Hanxing Optoelectronics Technology Co., Ltd.
- Projection lamp structure having spaceman model8 Sep 2026US 12,729,832 B1Shenzhen Andelian Technology Co., Ltd.
- Lighting arrangement1 Oct 2026US 2026/0298442 A1Signify Holding B. V.
- Light fixture including a three-bar frame solver for shutter control1 Oct 2026US 2026/0298444 A1Electronic Theatre Controls, Inc.
- Illumination systems employing multi-layer laminated sheet-form optical structures with embedded tir channels17 Sep 2026US 2026/0276175 A1
- Clouds for artificial skylights and windows3 Sep 2026US 2026/0258918 A1Signify Holding B. V.
- Linear lighting device with multiple pivotable linear light sources3 Sep 2026US 2026/0258935 A1Signify Holding B. V.
Most cited
By later US patents
- Bi-polar electrosurgical endoscopic instruments and methods of use870US 5,330,471 AHemostatic Surgery Corporation · 1994
- Plane light source and LCD backlight unit having the same491US 7,940,350 B2Samsung LED Co., Ltd. · 2011
- LED lamp with reflector and multicolor adjuster484US 6,149,283 ARensselaer Polytechnic Institute (RPI) · 2000
- Plane light source and LCD backlight unit having the same484US 8,432,511 B2Samsung Electronics Co., Ltd. · 2013
- Mirror assembly459US 5,788,357 AK. W. Muth Company, Inc. · 1998