H02K 17/34
Cascade arrangement of an asynchronous motor with another dynamo-electric motor or converter
H02K17/34 (Cascade arrangement of an asynchronous motor with another dynamo-electric motor or converter) appears on 34 US grants and 26 published applications in this corpus.
Search patents in H02K- Granted patents
- 34
- Published applications
- 26
- Assignees
- 23
- Inventors
- 56
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 5 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 3 | 3 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for starting high inertia machines7 Apr 2026US 12,597,837 B2RENK Aktiengesellschaft
- Power converter10 Jan 2023US 11,553,617 B2Denso Corporation
- Vacuum cleaner and system operable with AC and DC power sources29 Nov 2022US 11,510,540 B2Emerson Electric Co.
- Motor system provided with both motor having multiple-phase stator windings and control device controlling the motor22 Mar 2022US 11,283,385 B2
- Dual-drive device for sequential scanning, and associated method7 Sep 2021US 11,112,597 B2Thales
- System and method for starting high inertia machines9 Jan 2025US 2025/0015692 A1RENK Aktiengesellschaft
- Power converter21 May 2020US 2020/0163245 A1Denso Corporation
- Motor and control device thereof26 Mar 2020US 2020/0099327 A1
- Vacuum cleaner and system operable with ac and dc power sources21 Nov 2019US 2019/0350424 A1Emerson Electric Co.
- Dual-drive device for sequential scanning, and associated method18 Apr 2019US 2019/0113740 A1Thales
Most cited
By later US patents
- Variable speed controlled induction motor70US 4,785,213 ASatake Engineering Co., Ltd. · 1988
- Squirrel-cage induction motor43US 4,920,293 AMitsubishi Denki Kabushiki Kaisha · 1990
- Variable speed controllable induction motor35US 4,945,296 ASatake Engineering Co., Ltd. · 1990
- Induction motor switchable between series delta and parallel wye28US 5,068,559 ASatake Engineering Co., Ltd. · 1991
- Brushless doubly-fed induction machines employing dual cage rotors24US 6,278,211 B12001