B60L 53/39
With position-responsive activation of primary coils
Official title: with position-responsive activation of primary coils
B60L53/39 (With position-responsive activation of primary coils) appears on 243 US grants and 363 published applications in this corpus.
Search patents in B60L- Granted patents
- 243
- Published applications
- 363
- Assignees
- 157
- Inventors
- 668
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 4 |
| 2011 | 0 | 2 |
| 2012 | 2 | 13 |
| 2013 | 3 | 7 |
| 2014 | 2 | 27 |
| 2015 | 17 | 24 |
| 2016 | 12 | 31 |
| 2017 | 25 | 20 |
| 2018 | 18 | 30 |
| 2019 | 32 | 24 |
| 2020 | 17 | 20 |
| 2021 | 21 | 26 |
| 2022 | 11 | 25 |
| 2023 | 15 | 25 |
| 2024 | 25 | 32 |
| 2025 | 17 | 26 |
| 2026 | 16 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wireless charging base and charging system of automatic snow sweeping equipment6 Oct 2026US 12,756,233 B2Shenzhen Hanyang Technology Co., Ltd.
- Dynamic wireless power transfer system controlling multiple transmitter coils15 Sep 2026US 12,734,911 B2Dynamic WPT LLC
- System and method for alignment of wireless power transfer systems15 Sep 2026US 12,734,920 B2B. G. Negev Technologies and Applications Ltd., At Ben-Gurion University
- Wireless power transfer system1 Sep 2026US 12,722,515 B2Toyota Jidosha Kabushiki Kaisha
- System and method for wireless vehicle battery charging18 Aug 2026US 12,709,175 B2Charging Robotics Ltd.
- Wireless power transfer system30 Jul 2026US 2026/0217138 A1Toyota Jidosha Kabushiki Kaisha
- Positioning method for recharging, self-moving equipment and body positioning system30 Jul 2026US 2026/0217148 A1Shenzhen Hanyang Technology Co., Ltd.
- Wireless charging base and charging system of automatic snow sweeping equipment16 Jul 2026US 2026/0200358 A1Shenzhen Hanyang Technology Co., Ltd.
- Positioning method for recharging, self-moving equipment and body positioning system2 Jul 2026US 2026/0184209 A1Shenzhen Hanyang Technology Co., Ltd.
- Power transmission device25 Jun 2026US 2026/0175713 A1Denso Corporation
Most cited
By later US patents
- Armature induction charging of moving electric vehicle batteries339US 5,821,728 A1998
- Inductive power pick-up coils336US 5,528,113 A1996
- Wireless energy transfer272US 9,142,998 B2The Board of Trustees of the Leland Stanford Junior University · 2015
- Inductive charging of a moving electric vehicle's battery204US 5,311,973 A1994
- Roadway-powered electric vehicle system having automatic guidance and demand-based dispatch features173US 6,421,600 B1H. R. Ross Industries, Inc. · 2002