H02P 5/48
By comparing mechanical values representing the speeds
Official title: by comparing mechanical values representing the speeds
H02P5/48 (By comparing mechanical values representing the speeds) appears on 29 US grants and 29 published applications in this corpus.
Search patents in H02P- Granted patents
- 29
- Published applications
- 29
- Assignees
- 33
- Inventors
- 74
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 3 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 3 |
| 2022 | 1 | 3 |
| 2023 | 2 | 4 |
| 2024 | 2 | 4 |
| 2025 | 5 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Motor assembly for an appliance such as a vacuum cleaner and a vacuum cleaner having same15 Sep 2026US 12,736,058 B2Omachron Intellectual Property Inc.
- Dual motor system with flow control17 Mar 2026US 12,580,502 B2Nidec Motor Corporation
- Force control method and system for multi-motor synchronization28 Oct 2025US 12,456,937 B2Ningbo Gauss Robot Co., Ltd.
- Dual motor actuator and method of controlling the same7 Oct 2025US 12,438,418 B2Korea Aerospace Research Institute
- Control method for semi-centralized open winding multi-motor drive system15 Jul 2025US 12,362,687 B2Southeast University
- Motor assembly including motor capable of being tilted, and unmanned aerial vehicle having same1 Oct 2026US 2026/0296689 A1Air & H Aerospace Inc.
- Airspeed dependent lift propeller speed limit28 May 2026US 2026/0145805 A1Beta Air, LLC
- Motor assembly for an appliance such as a vacuum cleaner and a vacuum cleaner having same25 Sep 2025US 2025/0297613 A1Omachron Intellectual Property Inc.
- Method for synchronously controlling two motors30 Jan 2025US 2025/0038682 A1Schneider Electric Industries SAS
- Control method for semi-centralized open winding multi-motor drive system30 May 2024US 2024/0178768 A1Southeast University
Most cited
By later US patents
- Drive synchronization system for plural motor systems17US 5,530,323 AReliance Electric Industrial Company · 1996
- Fan and motor assembly for an appliance such as a vacuum cleaner and a vacuum cleaner having same15US 11,841,024 B2Omachron Intellectual Property Inc. · 2023
- Driving force control apparatus for a vehicle that drives wheel units independently10US 7,958,960 B2Aisin Seiki Kabushiki Kaisha · 2011
- Multi-column lifting apparatus and synchronization control device for same7US 3,967,701 AGebr. Hofmann KG · 1976
- Control device for a controlled and variable speed motor by means of a stepping motor6US 4,736,140 A1988