H02J 50/50
Circuit arrangements or systems for wireless supply or distribution of electric power
Official title: using additional energy repeaters between transmitting devices and receiving devices
H02J50/50 (Circuit arrangements or systems for wireless supply or distribution of electric power) appears on 579 US grants and 761 published applications in this corpus.
Search patents in H02J- Granted patents
- 579
- Published applications
- 761
- Assignees
- 244
- Inventors
- 1,036
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 0 | 6 |
| 2008 | 1 | 1 |
| 2009 | 0 | 16 |
| 2010 | 2 | 16 |
| 2011 | 7 | 42 |
| 2012 | 7 | 79 |
| 2013 | 28 | 57 |
| 2014 | 32 | 60 |
| 2015 | 41 | 51 |
| 2016 | 44 | 48 |
| 2017 | 57 | 47 |
| 2018 | 54 | 46 |
| 2019 | 49 | 30 |
| 2020 | 27 | 39 |
| 2021 | 49 | 38 |
| 2022 | 55 | 55 |
| 2023 | 40 | 59 |
| 2024 | 41 | 24 |
| 2025 | 29 | 27 |
| 2026 | 14 | 15 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for performing authentication in wireless power transmission system29 Sep 2026US 12,750,092 B2LG Electronics Inc.
- Operating frequency based power level altering in extended range wireless power transmitters15 Sep 2026US 12,738,774 B2NuCurrent, Inc.
- Wireless power transfer system1 Sep 2026US 12,722,515 B2Toyota Jidosha Kabushiki Kaisha
- Multi-housing charging devices and methods1 Sep 2026US 12,726,053 B2Power Forward, LLC
- Doors and systems for control of internet of things (IOT) devices and methods thereof18 Aug 2026US 12,712,397 B2Masonite Corporation
- Wireless power supply system24 Sep 2026US 2026/0291288 A1APh ePower Co., Ltd.
- Wireless Charging Block Bypass Apparatus and Method17 Sep 2026US 2026/0280354 A1
- Devices and methods for relaying power to an electronic device17 Sep 2026US 2026/0280355 A1
- Large Area Wireless Power Transfer System3 Sep 2026US 2026/0261151 A1NuCurrent, Inc.
- Designing repeater coils for wireless charging20 Aug 2026US 2026/0246307 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Wireless energy transfer for medical applications551US 8,937,408 B2WiTricity Corporation · 2015
- Wireless energy transfer converters438US 8,497,601 B2WiTricity Corporation · 2013
- Passive RF energy harvesting scheme for wireless sensor405US 8,552,597 B2Siemens Aktiengesellschaft · 2013
- Wireless energy transfer systems357US 8,629,578 B2WiTricity Corporation · 2014
- Wireless power transmission for electronic devices351US 8,278,784 B2QUALCOMM Incorporated · 2012