F03G 7/081
Recovering energy from moving road or rail vehicles
Official title: {recovering energy from moving road or rail vehicles, e.g. collecting vehicle vibrations in the vehicle tyres or shock absorbers}
F03G7/081 (Recovering energy from moving road or rail vehicles) appears on 251 US grants and 318 published applications in this corpus.
Search patents in F03G- Granted patents
- 251
- Published applications
- 318
- Assignees
- 116
- Inventors
- 503
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 0 |
| 2003 | 0 | 4 |
| 2004 | 5 | 8 |
| 2005 | 5 | 7 |
| 2006 | 5 | 10 |
| 2007 | 3 | 13 |
| 2008 | 6 | 7 |
| 2009 | 11 | 16 |
| 2010 | 4 | 19 |
| 2011 | 6 | 26 |
| 2012 | 13 | 15 |
| 2013 | 16 | 24 |
| 2014 | 21 | 18 |
| 2015 | 12 | 22 |
| 2016 | 16 | 21 |
| 2017 | 16 | 17 |
| 2018 | 15 | 11 |
| 2019 | 10 | 8 |
| 2020 | 10 | 11 |
| 2021 | 8 | 7 |
| 2022 | 6 | 12 |
| 2023 | 10 | 11 |
| 2024 | 8 | 15 |
| 2025 | 10 | 10 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Energy harvesting system and method for converting mechanical energy into electrical energy8 Sep 2026US 12,728,684 B1
- Device and system for converting mechanical energy into electric energy28 Jul 2026US 12,695,367 B2Reps-Tirol GmbH
- Electrical generators for railways26 May 2026US 12,638,008 B2Omnitek Partners LLC
- Wheel assembly having a light up wheel hub5 May 2026US 12,616,893 B2
- Wheel generator having a coupling system10 Feb 2026US 12,546,294 B2Kes-Tech Group GmbH
- Digitally controlled shock absorber and generator-embedded variable-damping valve assembly therefor25 Jun 2026US 2026/0177128 A1Ingage
- Vibration harvesting component, vibration harvesting device, and vibration power generator25 Jun 2026US 2026/0180474 A1
- Hydro pneumatic energy wheel30 Apr 2026US 2026/0117753 A1
- Energy harvesting road19 Feb 2026US 2026/0049601 A1Oakes LTD
- Energy recovery system15 Jan 2026US 2026/0016070 A1
Most cited
By later US patents
- Energy harvesting system136US 8,723,344 B12014
- Power generating unit on semi-trailer for energy recovery and storage85US 7,547,980 B22009
- Road vehicle-actuated air compressor and system therefor84US 4,173,431 ANu Watt, Inc. · 1979
- Active vehicle suspension system78US 9,702,349 B2ClearMotion, Inc. · 2017
- Force stand for electrical energy producing platform71US 6,376,925 B12002