H02P 5/50
By comparing electrical values representing the speeds
Official title: by comparing electrical values representing the speeds
H02P5/50 (By comparing electrical values representing the speeds) appears on 188 US grants and 135 published applications in this corpus.
Search patents in H02P- Granted patents
- 188
- Published applications
- 135
- Assignees
- 156
- Inventors
- 451
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 4 |
| 2014 | 6 | 1 |
| 2015 | 2 | 3 |
| 2016 | 1 | 3 |
| 2017 | 1 | 2 |
| 2018 | 7 | 14 |
| 2019 | 9 | 4 |
| 2020 | 6 | 15 |
| 2021 | 10 | 18 |
| 2022 | 17 | 17 |
| 2023 | 14 | 16 |
| 2024 | 12 | 8 |
| 2025 | 10 | 15 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and control device for operating a roadbound all-wheel vehicle7 Jul 2026US 12,676,564 B2Bayerische Motoren Werke Aktiengesellschaft
- Electronic device for performing bottom-up power line communication and method for operating same7 Jul 2026US 12,676,568 B2LG Electronics Inc.
- Motor system19 May 2026US 12,633,848 B2Murata Machinery, Ltd.
- Operation of a multi-axis system14 Apr 2026US 12,602,018 B2ABB Schweiz AG
- Electrical sub-assembly and associated method of operation24 Mar 2026US 12,587,114 B2Advanced Electric Machines Group Limited
- Drive system for an aircraft24 Sep 2026US 2026/0285495 A1
- Motor driving device, motor driving method, and refrigeration cycle apparatus13 Aug 2026US 2026/0238144 A1Mitsubishi Electric Corporation
- Rotary mower blade position synchronization system16 Jul 2026US 2026/0198414 A1Deere & Company
- Mowing robot16 Jul 2026US 2026/0198417 A1Shenzhen Mammotion Innovation Co., Limited
- Control system16 Apr 2026US 2026/0106559 A1
Most cited
By later US patents
- Control of multiple motors, including motorized pumping system and method113US 5,422,550 ASouthwest Electric Company · 1995
- Control system for an accumulating conveyor77US 5,228,558 AInterroll Holding AG · 1993
- Displacement machine with electronic motor synchronization61US 5,767,635 ASihi GmbH & Co. KG · 1998
- Automatic motor synchronizer43US 5,004,962 AArrow Marine, Inc. · 1991
- Electronically controlled glassware-forming machine40US 4,007,028 AReliance Electric Company · 1977