F21W 2131/3005
For books, i.e. reading lights attachable to books
Official title: {for books, i.e. reading lights attachable to books}
F21W2131/3005 (For books, i.e. reading lights attachable to books) appears on 59 US grants and 50 published applications in this corpus.
Search patents in F21W- Granted patents
- 59
- Published applications
- 50
- Assignees
- 33
- Inventors
- 104
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 4 |
| 2004 | 1 | 0 |
| 2005 | 2 | 4 |
| 2006 | 1 | 4 |
| 2007 | 5 | 4 |
| 2008 | 2 | 4 |
| 2009 | 2 | 2 |
| 2010 | 2 | 2 |
| 2011 | 1 | 5 |
| 2012 | 6 | 4 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 4 |
| 2017 | 3 | 2 |
| 2018 | 2 | 1 |
| 2019 | 4 | 3 |
| 2020 | 3 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 2 | 3 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- White light organic EL element and illuminating device comprising green red light emitting unit and blue light emitting unit16 Dec 2025US 12,501,765 B2Kaneka Corporation
- Illuminated book device13 Aug 2024US 12,059,918 B1Booklit LLC
- Illuminated book lighting device26 Mar 2024US 11,940,145 B1
- Shelf lighting mechanism5 Dec 2023US 11,835,215 B2Self Electronics Co., Ltd.
- Traversable lighting apparatus for illuminating a viewing surface21 Feb 2023US 11,585,518 B1
- Reading lamp19 Jun 2025US 2025/0198577 A1Shenzhen Oushili Industrial Co., Ltd.
- Organic el element and illuminating device30 Nov 2023US 2023/0389348 A1Kaneka Corporation
- Shelf Lighting Mechanism6 Jul 2023US 2023/0213179 A1Self Electronics Co., Ltd.
- Neck-hung working lamp16 Feb 2023US 2023/0051044 A1Ningbo Rongfa Electric Appliances Co., Ltd.
- Illuminated Assembly1 Aug 2019US 2019/0232706 A1
Most cited
By later US patents
- Dimmable LED-based MR16 lighting apparatus and methods431US 7,358,679 B2Philips Solid-State Lighting Solutions, Inc. · 2008
- Page light89US 4,751,615 AInternational Marketing Concepts, Inc. · 1988
- Portable book light81US 4,432,042 A1984
- Book light69US 6,022,119 APhorm Concept & Design, Inc. · 2000
- Portable illuminated magazine case67US 4,290,093 ALITE-A-GUIDE, Inc. · 1981