F21L 13/06
Electric lighting devices with built-in electric generators: with mechanical drive
Official title: with mechanical drive, e.g. spring
F21L13/06 (Electric lighting devices with built-in electric generators: with mechanical drive) appears on 67 US grants and 73 published applications in this corpus.
Search patents in F21L- Granted patents
- 67
- Published applications
- 73
- Assignees
- 41
- Inventors
- 124
- Latest grant
- 7 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 4 |
| 2004 | 6 | 8 |
| 2005 | 6 | 6 |
| 2006 | 5 | 7 |
| 2007 | 5 | 9 |
| 2008 | 3 | 5 |
| 2009 | 2 | 4 |
| 2010 | 2 | 7 |
| 2011 | 1 | 2 |
| 2012 | 4 | 3 |
| 2013 | 3 | 3 |
| 2014 | 1 | 4 |
| 2015 | 5 | 1 |
| 2016 | 3 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Pneumatic impact with light7 Nov 2023US 11,806,848 B2Ingersoll-Rand Industrial, Inc.
- Power-generating insole and light emitting shoe based on coupled power generation devices12 Sep 2023US 11,754,234 B2Calson Investment Limited
- Wearable tubular light generating item with kinetic generator having a slideable magnetic disposed within tube17 Sep 2019US 10,415,771 B2Positively Human Inc.
- Conspicuity devices and methods3 Oct 2017US 9,775,391 B1CSC Group LLC
- LED-illuminated water spraying gun30 Aug 2016US 9,427,759 B2
- Light-emitting golf ball using small generator22 Jun 2023US 2023/0191206 A1
- Power-generating insole and light emitting shoe based on coupled power generation devices14 Jul 2022US 2022/0221116 A1Calson Investment Limited
- Pneumatic impact with light18 Mar 2021US 2021/0078148 A1Ingersoll-Rand Company
- Direct current hybrid lighting and energy management systems and methods20 Sep 2018US 2018/0266637 A1Cleantek Industries Inc.
- Kinetic Generator30 Aug 2018US 2018/0245750 A1Positively Human Inc.
Most cited
By later US patents
- Renewable energy flashlight204US 5,975,714 AApplied Innovative Technologies, Inc. · 1999
- Flashlight with self-provided power supply means106US 5,552,973 A1996
- Electrical generator with ferrofluid bearings96US 6,812,583 B2Rockwell Scientific Licensing, LLC · 2004
- Renewable energy flashlight86US 6,220,719 B1Applied Innovative Technologies, Inc. · 2001
- Self-contained hand held portable lantern-flashlight consisting of a manually operated generator and rechargeable batteries76US 4,360,860 A1982