H02J 50/90
Involving detection or optimisation of position
Official title: involving detection or optimisation of position, e.g. alignment
H02J50/90 (Involving detection or optimisation of position) appears on 4,162 US grants and 5,620 published applications in this corpus.
Search patents in H02J- Granted patents
- 4,162
- Published applications
- 5,620
- Assignees
- 1,181
- Inventors
- 6,811
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 2 |
| 2002 | 7 | 6 |
| 2003 | 1 | 8 |
| 2004 | 4 | 8 |
| 2005 | 4 | 16 |
| 2006 | 9 | 11 |
| 2007 | 8 | 19 |
| 2008 | 10 | 34 |
| 2009 | 6 | 68 |
| 2010 | 25 | 127 |
| 2011 | 44 | 146 |
| 2012 | 62 | 248 |
| 2013 | 89 | 275 |
| 2014 | 134 | 387 |
| 2015 | 205 | 452 |
| 2016 | 308 | 372 |
| 2017 | 384 | 408 |
| 2018 | 426 | 345 |
| 2019 | 413 | 358 |
| 2020 | 331 | 371 |
| 2021 | 334 | 317 |
| 2022 | 277 | 376 |
| 2023 | 258 | 411 |
| 2024 | 316 | 341 |
| 2025 | 265 | 298 |
| 2026 | 183 | 216 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wireless charging device6 Oct 2026US 12,756,214 B2Inventec Corporation
- Wireless power transmitters for transmitting power at extended separation distances with magnetic connectors6 Oct 2026US 12,756,229 B2NuCurrent, Inc.
- Charging and ambience monitoring device6 Oct 2026US 12,756,230 B2Ultrahuman Healthcare Pvt Ltd
- Device for displaying in response to a sensed motion6 Oct 2026US 12,756,232 B2May Patents Ltd.
- Wireless power distribution system6 Oct 2026US 12,756,239 B2Wi-Charge Ltd.
- Interchangeable Watch Strap with Removably Secured Electronic Sensing Module8 Oct 2026US 2026/0306021 A1
- Wireless power transmission system8 Oct 2026US 2026/0312439 A1Delta Electronics (Thailand) Public Co., Ltd.
- Devices and methods for positioning external devices in relation to implanted devices1 Oct 2026US 2026/0295278 A1Nalu Medical, Inc.
- Autonomous vehicle for temporarily powering electric vehicles (evs) on the road1 Oct 2026US 2026/0296227 A1State Farm Mutual Automobile Insurance Company
- Apparatus and method for communication association, positioning, and pairing for wireless power transfer1 Oct 2026US 2026/0296241 A1Hyundai Motor Company
Most cited
By later US patents
- Recharge of an implantable device in the presence of other conductive objects880US 8,818,523 B2Medtronic, Inc. · 2014
- Alignment independent and self aligning inductive power transfer system812US 6,803,744 B12004
- Charging of devices by microwave power beaming715US 6,967,462 B1NASA Glenn Research Center · 2005
- Implantable device with improved battery recharging and powering configuration693US 6,067,474 AAdvanced Bionics AG · 2000
- Inductive power source and charging system591US 7,952,322 B2Mojo Mobility, Inc. · 2011