B60L 50/13
Using ac generators and ac motors
Official title: using AC generators and AC motors
B60L50/13 (Using ac generators and ac motors) appears on 329 US grants and 344 published applications in this corpus.
Search patents in B60L- Granted patents
- 329
- Published applications
- 344
- Assignees
- 160
- Inventors
- 799
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 6 |
| 2006 | 2 | 13 |
| 2007 | 6 | 8 |
| 2008 | 10 | 11 |
| 2009 | 6 | 15 |
| 2010 | 8 | 11 |
| 2011 | 13 | 10 |
| 2012 | 5 | 12 |
| 2013 | 7 | 14 |
| 2014 | 9 | 13 |
| 2015 | 21 | 42 |
| 2016 | 16 | 30 |
| 2017 | 34 | 34 |
| 2018 | 23 | 25 |
| 2019 | 32 | 11 |
| 2020 | 18 | 21 |
| 2021 | 16 | 9 |
| 2022 | 10 | 18 |
| 2023 | 10 | 10 |
| 2024 | 14 | 12 |
| 2025 | 12 | 8 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power conversion device and aircraft18 Aug 2026US 12,712,470 B2Mitsubishi Electric Corporation
- Power module and inverter module design to minimize parasitic inductance and optimize thermal performance4 Aug 2026US 12,697,886 B2GM Global Technology Operations LLC
- Energy assembly14 Apr 2026US 12,600,223 B2Kawasaki Motors, Ltd.
- Motor control device, vehicle, computer program, and recording medium storing computer program7 Apr 2026US 12,597,875 B2Subaru Corporation
- Low loss snubber with energy recovery24 Mar 2026US 12,587,090 B2Cummins Inc.
- Drive control apparatus8 Oct 2026US 2026/0307507 A1Mitsubishi Electric Corporation
- Extending range of a robotic electric vehicle1 Oct 2026US 2026/0296219 A1Textron Systems Corporation
- Control system and method of operation for a power system for a mobile machine4 Jun 2026US 2026/0152922 A1Caterpillar Inc.
- Hybrid drive system for work machine9 Apr 2026US 2026/0097638 A1Caterpillar Inc.
- Electrically Driven Haulage Vehicle19 Mar 2026US 2026/0077658 A1
Most cited
By later US patents
- AC locomotive operation without DC current sensor118US 5,998,880 AGeneral Electric Company · 1999
- Electrical propulsion process and system for a traction vehicle with an on-board source of power112US 4,292,531 AGeneral Electric Company · 1981
- Electro-mechanical propulsion system103US 4,444,285 A1984
- AC locomotive operation with DC bus current sensor failure97US 5,646,510 AGeneral Electric Company · 1997
- Method and apparatus for adjusting the electric power distribution in a motor vehicle, in patricular a hybrid-powered vehicle86US 5,847,520 ASMH Management Services AG · 1998