B60L 2270/147
Electro magnetic [emi]
Official title: electro magnetic [EMI]
B60L2270/147 (Electro magnetic [emi]) appears on 472 US grants and 610 published applications in this corpus.
Search patents in B60L- Granted patents
- 472
- Published applications
- 610
- Assignees
- 229
- Inventors
- 1,243
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 4 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 2 | 3 |
| 2008 | 0 | 5 |
| 2009 | 3 | 2 |
| 2010 | 4 | 9 |
| 2011 | 7 | 18 |
| 2012 | 4 | 24 |
| 2013 | 9 | 30 |
| 2014 | 12 | 78 |
| 2015 | 26 | 83 |
| 2016 | 53 | 54 |
| 2017 | 71 | 32 |
| 2018 | 47 | 30 |
| 2019 | 46 | 32 |
| 2020 | 33 | 38 |
| 2021 | 29 | 20 |
| 2022 | 27 | 34 |
| 2023 | 23 | 32 |
| 2024 | 21 | 25 |
| 2025 | 26 | 34 |
| 2026 | 15 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bogie for a light rail system25 Aug 2026US 12,715,309 B2The Council of the City of Coventry Council House
- Vehicle controller and vehicle with same25 Aug 2026US 12,720,701 B2BYD Company Limited
- High-voltage component for a high-voltage on-board electrical system of an at least partly electrically operated motor vehicle25 Aug 2026US 12,720,702 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Charging circuit of on-board charger, on-board charger, and charging control method11 Aug 2026US 12,703,257 B2Huawei Digital Power Technologies Co., Ltd.
- Power converter with dark start precharge circuit7 Jul 2026US 12,673,567 B1
- System and method for cancelling magnetic field1 Oct 2026US 2026/0304723 A1Safefields Technologies Ltd
- Battery management system17 Sep 2026US 2026/0279929 A1Analog Devices International Unlimited Company
- Power conversion device6 Aug 2026US 2026/0225471 A1
- Power conversion unit30 Jul 2026US 2026/0217127 A1Aisin Corporation
- Dual inverter integrated charger with synchronous motors having open-end winding configuration23 Jul 2026US 2026/0213692 A1Jacobi Motors, LLC
Most cited
By later US patents
- Inductive power coupling with constant voltage output258US 4,800,328 AInductran Corporation · 1989
- Input voltage based system and method for charging a vehicle battery116US 8,405,347 B2Ford Global Technologies, LLC · 2013
- Contactless battery charging system with high voltage cable88US 5,568,036 ADelco Electronics Corporation · 1996
- Electric system of electric vehicle82US 5,629,603 AFuji Electric Co., Ltd. · 1997
- Electrical device cooling structure in vehicle64US 7,688,582 B2Honda Motor Co., Ltd. · 2010