H02P 6/28
Arrangements for controlling current
Official title: Arrangements for controlling current (H02P6/10 takes precedence)
H02P6/28 (Arrangements for controlling current) appears on 824 US grants and 838 published applications in this corpus.
Search patents in H02P- Granted patents
- 824
- Published applications
- 838
- Assignees
- 388
- Inventors
- 1,683
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 3 |
| 2002 | 12 | 12 |
| 2003 | 8 | 10 |
| 2004 | 15 | 22 |
| 2005 | 17 | 22 |
| 2006 | 21 | 18 |
| 2007 | 11 | 16 |
| 2008 | 13 | 9 |
| 2009 | 9 | 11 |
| 2010 | 9 | 20 |
| 2011 | 9 | 22 |
| 2012 | 16 | 18 |
| 2013 | 19 | 34 |
| 2014 | 32 | 54 |
| 2015 | 42 | 76 |
| 2016 | 58 | 39 |
| 2017 | 50 | 36 |
| 2018 | 39 | 65 |
| 2019 | 63 | 74 |
| 2020 | 61 | 72 |
| 2021 | 53 | 61 |
| 2022 | 66 | 46 |
| 2023 | 52 | 27 |
| 2024 | 26 | 29 |
| 2025 | 29 | 23 |
| 2026 | 8 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Impact tools and control modes25 Aug 2026US 12,719,399 B2Black & Decker Inc.
- Power tool and control method thereof4 Aug 2026US 12,700,820 B2Nanjing Chervon Industry Co., Ltd.
- Motor control device and motor control method16 Jun 2026US 12,658,833 B2Hitachi Astemo, Ltd.
- Electric motors and methods of controlling thereof21 Apr 2026US 12,609,590 B2121352 Canada Inc.
- Power distribution within an electric machine with rectified rotor windings17 Mar 2026US 12,580,503 B2Tau Motors, Inc.
- Motor Control Device, Motor Control Method, and Motor Control System13 Aug 2026US 2026/0238147 A1Astemo, Ltd.
- Method for Starting an EC Motor, Assembly, Tool, and Devices25 Jun 2026US 2026/0180477 A1Andreas Stihl AG & CO.KG
- Electric steering apparatus having load detection function18 Jun 2026US 2026/0167258 A1Industry-Academy Cooperation Foundation, Halla University
- Saliency tracking for brushless dc motors and other permanent magnet synchronous motors18 Jun 2026US 2026/0171943 A1
- Luenberger current observer with adaptive gain for permanent magnet synchronous machines in automotive application18 Jun 2026US 2026/0171946 A1Magna International Inc.
Most cited
By later US patents
- Apparatus and method for controlling hybrid motor880US 8,228,020 B2ENI S.p.A. · 2012
- Motor controller and electric tool having the same831US 8,294,399 B2Makita Corporation · 2012
- Current limitation process of brush and brushless DC motors during severe voltage changes503US 6,801,009 B2Siemens VDO Automotive Corporation · 2004
- Electric motor and motor control173US 8,575,873 B2Nidec Motor Corporation · 2013
- Electric pump169US 9,401,670 B2Aisin Seiki Kabushiki Kaisha · 2016