H02P 1/48
By pole-changing
Official title: by pole-changing
H02P1/48 (By pole-changing) appears on 12 US grants and 10 published applications in this corpus.
Search patents in H02P- Granted patents
- 12
- Published applications
- 10
- Assignees
- 10
- Inventors
- 20
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Motor drive device29 Sep 2026US 12,749,992 B2Kabushiki Kaisha Toyota Jidoshokki
- Motor detection method and motor detection device4 Jun 2024US 12,003,198 B2Delta Electronics, Inc.
- PM line-start motor and switch-on method therefor13 Apr 2021US 10,978,967 B2KSB SE & Co. KGaA
- Line start two-speed brushless motor9 Feb 2021US 10,916,997 B2Hamilton Sundstrand Corporation
- Control method and control system of motor rotation speed25 Aug 2020US 10,756,601 B2Hyundai Motor Company
- Synchronous electric machine and enhanced control thereof11 Jun 2026US 2026/0163501 A1Multipolar Development Corporation
- Motor drive device3 Oct 2024US 2024/0333178 A1Kabushiki Kaisha Toyota Jidoshokki
- Motor detection method and motor detection device14 Sep 2023US 2023/0291342 A1Delta Electronics, Inc.
- PM Line-Start Motor and Switch-On Method Therefor10 Sep 2020US 2020/0287481 A1KSB SE & Co. KGaA
- Control method and control system of motor rotation speed19 Sep 2019US 2019/0288585 A1Hyundai Motor Company
Most cited
By later US patents
- Permanent magnet direct current (PMDC) machine with integral reconfigurable winding control53US 5,912,522 A1999
- Permanent magnet direct current (PMDC) machine with integral reconfigurable winding control37US 6,097,127 A2000
- Alternating current machine with increased torque above and below rated speed for hybrid electric propulsion systems16US 8,183,814 B22012
- Multiphase motor having winding connections specific to respective operating speed ranges10US 6,812,661 B2Wavecrest Laboratories, LLC · 2004
- Alternating current machine with increased torque above and below rated speed for hybrid/electric propulsion systems5US 8,436,569 B22013