B60L 15/002
Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
Official title: {for control of propulsion for monorail vehicles, suspension vehicles or rack railways; for control of magnetic suspension or levitation for vehicles for propulsion purposes}
B60L15/002 (Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles) appears on 171 US grants and 126 published applications in this corpus.
Search patents in B60L- Granted patents
- 171
- Published applications
- 126
- Assignees
- 96
- Inventors
- 355
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 1 |
| 2003 | 6 | 3 |
| 2004 | 1 | 3 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 5 |
| 2014 | 2 | 3 |
| 2015 | 5 | 8 |
| 2016 | 4 | 3 |
| 2017 | 5 | 13 |
| 2018 | 7 | 5 |
| 2019 | 8 | 14 |
| 2020 | 12 | 17 |
| 2021 | 8 | 11 |
| 2022 | 11 | 7 |
| 2023 | 9 | 10 |
| 2024 | 16 | 8 |
| 2025 | 5 | 4 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Self guided linear induction motor system and method26 May 2026US 12,640,635 B2Swisspod Technologies SA
- Virtual slots for independent cart system21 Oct 2025US 12,448,230 B2Rockwell Automation Technologies, Inc.
- System and method for strain and acceleration based analytics in an independent cart system2 Sep 2025US 12,405,180 B2Rockwell Automation Technologies, Inc.
- Method for determining an air gap between a transport rotor and a stator segment aided by an automation device13 May 2025US 12,301,064 B2Siemens Aktiengesellschaft
- Apparatus for and method of controlling driving of transport vehicle in goods transport system15 Apr 2025US 12,275,309 B2Semes Co., Ltd.
- Self guided linear induction motor system and method23 Jul 2026US 2026/0213635 A1Swisspod Technologies SA
- Sustainable movement planning for an electromagnetic transport system23 Apr 2026US 2026/0111042 A1ABB Schweiz AG
- Propulsion assembly of a ride system19 Feb 2026US 2026/0048667 A1Universal City Studios LLC
- Overhead traveling vehicle system19 Feb 2026US 2026/0048768 A1Murata Machinery, Ltd.
- Linear track control device and linear track system1 Jan 2026US 2026/0001409 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Method and apparatus for supplying contactless power362US 6,515,878 B12003
- System and method for servo control of nonlinear electromagnetic actuators139US 6,208,497 B1Venture Scientifics, LLC · 2001
- System for using synchronous secondaries of a linear motor to biaxially draw plastic films100US 4,853,602 AE. I. DuPont de Nemours and Company · 1989
- System for inductive transfer of power, communication and position sensing to a guideway-operated vehicle90US 6,499,701 B1MagneMotion, Inc. · 2002
- Roadway power and control system for inductively coupled transportation system89US 4,836,344 AInductran Corporation · 1989