B60L 15/22
With sequential operation of interdependent switches
Official title: with sequential operation of interdependent switches, e.g. relays, contactors or programme drum
B60L15/22 (With sequential operation of interdependent switches) appears on 15 US grants and 20 published applications in this corpus.
Search patents in B60L- Granted patents
- 15
- Published applications
- 20
- Assignees
- 20
- Inventors
- 58
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 4 |
| 2019 | 2 | 3 |
| 2020 | 4 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Torque and current control methods for switching variable electric drive vehicles19 Jul 2022US 11,394,330 B2GM Global Technology Operations LLC
- Device for driving vehicle23 Nov 2021US 11,180,017 B2Denso Corporation
- Discharge control circuit, corresponding system, vehicle and method30 Apr 2026US 2026/0116208 A1STMicroelectronics International N. V.
- System and method for calibrating transmission30 Apr 2026US 2026/0117860 A1Dana Belgium N.V.
- System and method for controlling an electrical machine5 Mar 2026US 2026/0061855 A1Volvo Truck Corporation
- Power supply system22 Jan 2026US 2026/0021709 A1Honda Motor Co., Ltd.
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Most cited
By later US patents
- Fuel efficient control of multiple unit locomotive consists71US 4,602,335 AK.C. Southern Railway Company · 1986
- Energy storage element32US 10,840,714 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft · 2020
- Proportional speed control arrangement7US 4,341,985 ABell & Howell Company · 1982
- Torque and current control methods for switching variable electric drive vehicles2US 11,394,330 B2GM Global Technology Operations LLC · 2022
- Electric vehicle1US 10,843,568 B2Hanwha Defense Co., Ltd. · 2020