H02P 6/187
Using the star point voltage
Official title: {using the star point voltage}
H02P6/187 (Using the star point voltage) appears on 74 US grants and 51 published applications in this corpus.
Search patents in H02P- Granted patents
- 74
- Published applications
- 51
- Assignees
- 51
- Inventors
- 123
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 2 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 3 | 1 |
| 2013 | 2 | 3 |
| 2014 | 3 | 9 |
| 2015 | 4 | 5 |
| 2016 | 4 | 4 |
| 2017 | 3 | 2 |
| 2018 | 4 | 3 |
| 2019 | 6 | 5 |
| 2020 | 3 | 3 |
| 2021 | 2 | 4 |
| 2022 | 5 | 2 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Motor system of accurate back-electromotive force detection and operation method thereof11 Nov 2025US 12,470,158 B2Artery Technology Co., Ltd.
- Control device and method for reducing the commutation angle error of an EC motor10 Oct 2023US 11,784,592 B2ebm-papst Mulfingen GmbH & Co. KG
- Sensor-less circuits and related methods for back EMF zero crossing detection28 Mar 2023US 11,616,458 B2Semiconductor Components Industries, LLC
- Motor control device and brake control device20 Sep 2022US 11,451,179 B2Hitachi Astemo, Ltd.
- Semiconductor device and motor driving system using the same13 Sep 2022US 11,444,557 B2Renesas Electronics Corporation
- Motor system of accurate back-electromotive force detection and operation method thereof17 Apr 2025US 2025/0125748 A1Artery Technology Co., Ltd.
- Electrical system for an electric machine26 Dec 2024US 2024/0429848 A1Rolls-Royce Deutschland Ltd & Co KG
- Motor system31 Mar 2022US 2022/0103099 A1Global Mixed-mode Technology Inc.
- Sensor-less circuits and related methods for back emf zero crossing detection13 Jan 2022US 2022/0014130 A1Semiconductor Components Industries, LLC
- Control device and method for reducing the commutation angle error of an ec motor21 Oct 2021US 2021/0328529 A1ebm-papst Mulfingen GmbH & Co. KG
Most cited
By later US patents
- Brushless permanent magnet motor system187US 4,743,815 AEmerson Electric Co. · 1988
- Motor torque control method and apparatus130US 5,334,923 AWisconsin Alumni Research Foundation · 1994
- Control apparatus for brushless motor96US 4,641,066 ANippondenso Co., Ltd. · 1987
- Air gap flux measurement using stator third harmonic voltage and uses83US 5,272,429 AWisconsin Alumni Research Foundation · 1993
- Control system, method of operating an electronically commutated motor, and laundering apparatus72US 4,654,566 AGeneral Electric Company · 1987