F21L 14/02
Capable of hand-held use
Official title: capable of hand-held use, e.g. inspection lamps
F21L14/02 (Capable of hand-held use) appears on 305 US grants and 188 published applications in this corpus.
Search patents in F21L- Granted patents
- 305
- Published applications
- 188
- Assignees
- 116
- Inventors
- 388
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 12 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 0 |
| 2002 | 9 | 6 |
| 2003 | 9 | 11 |
| 2004 | 9 | 14 |
| 2005 | 10 | 12 |
| 2006 | 11 | 25 |
| 2007 | 16 | 16 |
| 2008 | 15 | 10 |
| 2009 | 10 | 9 |
| 2010 | 10 | 11 |
| 2011 | 6 | 9 |
| 2012 | 8 | 11 |
| 2013 | 6 | 2 |
| 2014 | 9 | 9 |
| 2015 | 5 | 4 |
| 2016 | 5 | 5 |
| 2017 | 8 | 5 |
| 2018 | 0 | 4 |
| 2019 | 7 | 8 |
| 2020 | 6 | 7 |
| 2021 | 9 | 4 |
| 2022 | 6 | 2 |
| 2023 | 3 | 1 |
| 2024 | 4 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Area light16 Dec 2025US 12,498,110 B2Southwire Company
- Camping lamp convenient for storage2 Jul 2024US 12,025,298 B1Shenzhen Tankron Technology Co., Ltd.
- Embeddable module for high output led21 May 2024US 11,988,825 B2Acera, LLC
- Embeddable module for high output led27 Feb 2024US 11,914,137 B2Acera, LLC
- Flexible lighting apparatus2 Jan 2024US RE49,779 E1Sourcemaker, Inc.
Most cited
By later US patents
- Lighting device165US 4,947,291 A1990
- LED work light150US 6,857,756 B2General Manufacturing, Inc. · 2005
- Universal trouble light117US 4,258,414 APlymouth Products, Inc. · 1981
- LED work light106US 6,979,100 B2General Manufacturing, Inc. · 2005
- Deuterium lamp box and portable light source apparatus83US 6,601,972 B2Hamamatsu Photonics K.K. · 2003