F03G 7/0252
Motors
Official title: {Motors; Energy harvesting or waste energy recovery}
F03G7/0252 (Motors) appears on 87 US grants and 114 published applications in this corpus.
Search patents in F03G- Granted patents
- 87
- Published applications
- 114
- Assignees
- 58
- Inventors
- 221
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 4 |
| 2004 | 0 | 3 |
| 2005 | 3 | 7 |
| 2006 | 1 | 1 |
| 2007 | 2 | 4 |
| 2008 | 1 | 6 |
| 2009 | 0 | 4 |
| 2010 | 2 | 7 |
| 2011 | 3 | 6 |
| 2012 | 3 | 6 |
| 2013 | 5 | 6 |
| 2014 | 3 | 3 |
| 2015 | 5 | 6 |
| 2016 | 1 | 8 |
| 2017 | 6 | 3 |
| 2018 | 3 | 6 |
| 2019 | 3 | 4 |
| 2020 | 5 | 1 |
| 2021 | 1 | 3 |
| 2022 | 2 | 6 |
| 2023 | 6 | 5 |
| 2024 | 3 | 9 |
| 2025 | 7 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Processing systems, chambers, and related methods including turbines for energy harnessing27 Jan 2026US 12,534,821 B2APPLIED Materials.Inc.
- Air compression system13 Jan 2026US 12,523,214 B2
- Method for storing compressed air energy30 Dec 2025US 12,510,060 B2Toyo Engineering Corporation
- Cascaded energy storage system and energy storage method thereof23 Dec 2025US 12,503,964 B2Xeca Turbo (Chengdu) Technology Co., Ltd
- Solid-state energy harvester9 Dec 2025US 12,492,684 B1Mueller International, LLC
- Energy generation cell and energy generation device including the same11 Jun 2026US 2026/0160236 A1Freudenberg Vilene Filtration Technologies Korea Co., Ltd.
- System and method for generating energy28 May 2026US 2026/0146592 A1
- Method for storing compressed air energy30 Oct 2025US 2025/0334105 A1Toyo Engineering Corporation
- Twist and hyper-twist power take-off devices10 Jul 2025US 2025/0226725 A1The University of North Carolina at Charlotte
- Cascaded energy storage system and energy storage method thereof16 Jan 2025US 2025/0020109 A1Xeca Turbo (Chengdu) Technology Co., Ltd
Most cited
By later US patents
- Geothermal electricity production methods and geothermal energy collection systems65US 8,381,523 B22013
- Apparatus for utilizing natural energies60US 4,159,427 AMesserschmitt-Boelkow-Blohm Gesellschaft mit beschraenkter Haftung · 1979
- Method and apparatus for recovering low-temperature industrial and solar waste heat energy previously dissipated to ambient59US 3,986,354 A1976
- Apparatus for generating power using environmental temperature differentials48US 3,995,429 A1976
- Heat energy recapture and recycle and its new applications30US 8,051,637 B22011