F21V 23/007
Enclosed in a casing
Official title: {enclosed in a casing}
F21V23/007 (Enclosed in a casing) appears on 1,790 US grants and 2,032 published applications in this corpus.
Search patents in F21V- Granted patents
- 1,790
- Published applications
- 2,032
- Assignees
- 704
- Inventors
- 2,946
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 4 |
| 2006 | 3 | 4 |
| 2007 | 1 | 8 |
| 2008 | 2 | 8 |
| 2009 | 6 | 16 |
| 2010 | 8 | 17 |
| 2011 | 14 | 51 |
| 2012 | 25 | 84 |
| 2013 | 63 | 95 |
| 2014 | 67 | 108 |
| 2015 | 86 | 156 |
| 2016 | 114 | 178 |
| 2017 | 142 | 133 |
| 2018 | 125 | 134 |
| 2019 | 166 | 186 |
| 2020 | 223 | 208 |
| 2021 | 182 | 165 |
| 2022 | 166 | 138 |
| 2023 | 140 | 103 |
| 2024 | 95 | 84 |
| 2025 | 99 | 77 |
| 2026 | 56 | 71 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Luminaire with replaceable LED board6 Oct 2026US 12,753,907 B2Halco Lighting Technologies, LLC
- Light module for plant cultivation and plant cultivation apparatus including the same29 Sep 2026US 12,745,715 B2Seoul Viosys Co., Ltd.
- Cylindrical light fixture29 Sep 2026US 12,747,855 B1
- LED lamp29 Sep 2026US 12,747,856 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- Lighting fixture22 Sep 2026US 12,742,527 B2QTran, Inc.
- Portable lighting device with a flexible and deployable led lighting element8 Oct 2026US 2026/0309287 A1Promier Products Inc.
- Luminaire having a back plate with opening for relasably attached driver8 Oct 2026US 2026/0309318 A1Signify Holding B. V.
- Led device and led light fixture8 Oct 2026US 2026/0309321 A1Shanghai Weili Advanced Electronic Technology Co., Ltd.
- Detachable illumination module1 Oct 2026US 2026/0295696 A1
- Inflatable lighting device1 Oct 2026US 2026/0298437 A1Ztarx Corporation Limited
Most cited
By later US patents
- Light tube and power supply circuit300US 7,049,761 B2Altair Engineering, Inc. · 2006
- LED lighting device for replacing fluorescent tubes268US 7,510,299 B2Altair Engineering, Inc. · 2009
- LED luminaire210US 7,102,172 B2Permlight Products, Inc. · 2006
- Light emitting diode recessed light fixture164US 7,959,332 B2Cooper Technologies Company · 2011
- Actively cooled lighting trim apparatus130US 6,095,671 A2000