B60L 50/30
Electric propulsion with power supplied within the vehicle: using propulsion power stored
Official title: using propulsion power stored mechanically, e.g. in fly-wheels
B60L50/30 (Electric propulsion with power supplied within the vehicle: using propulsion power stored) appears on 387 US grants and 391 published applications in this corpus.
Search patents in B60L- Granted patents
- 387
- Published applications
- 391
- Assignees
- 175
- Inventors
- 637
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 18 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 10 |
| 2003 | 8 | 10 |
| 2004 | 4 | 7 |
| 2005 | 10 | 8 |
| 2006 | 6 | 15 |
| 2007 | 6 | 11 |
| 2008 | 3 | 9 |
| 2009 | 9 | 10 |
| 2010 | 9 | 19 |
| 2011 | 14 | 25 |
| 2012 | 11 | 26 |
| 2013 | 16 | 32 |
| 2014 | 18 | 20 |
| 2015 | 24 | 17 |
| 2016 | 16 | 32 |
| 2017 | 13 | 18 |
| 2018 | 21 | 23 |
| 2019 | 21 | 19 |
| 2020 | 19 | 12 |
| 2021 | 16 | 17 |
| 2022 | 11 | 17 |
| 2023 | 9 | 14 |
| 2024 | 19 | 12 |
| 2025 | 17 | 6 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Energy management system and methods16 Dec 2025US 12,496,914 B2
- Kinetic electric generator system2 Dec 2025US 12,485,775 B2
- System of power generation on-the-go for electric vehicles (EVs) using an airbine21 Oct 2025US 12,447,849 B1
- Methods, systems and apparatus for powering a vehicle7 Oct 2025US 12,434,570 B2
- Assist system and method for aircraft ground operation7 Oct 2025US 12,434,819 B2Pratt & Whitney Canada Corp.
- Energy management system and methods27 Aug 2026US 2026/0249712 A1
- Assist system and method for aircraft ground operation19 Mar 2026US 2026/0077856 A1Pratt & Whitney Canada Corp.
- Energy recovery system and method for vehicles2 Oct 2025US 2025/0304018 A1
- Pendulum power transmission drive wheel with mechanical recovery of part of the braking energy5 Jun 2025US 2025/0178448 A1
- Energy storage device5 Jun 2025US 2025/0183755 A1
Most cited
By later US patents
- High power wireless resonant energy transfer system220US 7,880,337 B22011
- Method and apparatus for power electronics and control of plug-in hybrid propulsion with fast energy storage185US 7,740,092 B2AFS Trinity Power Corporation · 2010
- Electric power train control181US 5,568,023 A1996
- Roadway-powered electric vehicle system180US 5,669,470 AH. R. Ross Industries, Inc. · 1997
- Roadway-powered electric vehicle system having automatic guidance and demand-based dispatch features173US 6,421,600 B1H. R. Ross Industries, Inc. · 2002