H02K 1/325
Between salient poles
Official title: {between salient poles}
H02K1/325 (Between salient poles) appears on 81 US grants and 84 published applications in this corpus.
Search patents in H02K- Granted patents
- 81
- Published applications
- 84
- Assignees
- 52
- Inventors
- 190
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 1 |
| 2002 | 4 | 7 |
| 2003 | 6 | 2 |
| 2004 | 3 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 5 |
| 2009 | 0 | 2 |
| 2010 | 4 | 1 |
| 2011 | 3 | 3 |
| 2012 | 2 | 3 |
| 2013 | 0 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 2 |
| 2016 | 1 | 8 |
| 2017 | 3 | 3 |
| 2018 | 2 | 3 |
| 2019 | 6 | 5 |
| 2020 | 7 | 7 |
| 2021 | 5 | 3 |
| 2022 | 3 | 4 |
| 2023 | 2 | 6 |
| 2024 | 4 | 1 |
| 2025 | 5 | 5 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotor device for an electric machine including a cooling fluid line, a collecting ring, and an adapter17 Mar 2026US 12,580,451 B2Bayerische Motoren Werke Aktiengesellschaft
- Rotor cooling17 Feb 2026US 12,556,051 B2Cummins Generator Technologies Limited
- Rotor rim for an electric machine25 Nov 2025US 12,483,080 B2Voith Patent GmbH
- Motor rotor, motor, and vehicle9 Sep 2025US 12,413,116 B2Huawei Digital Power Technologies Co., Ltd.
- Wet and dry cavity generator systems and methods of manufacturing the same13 May 2025US 12,301,063 B2GE Aviation Systems LLC
- Wound-field rotating electrical machine1 Oct 2026US 2026/0302860 A1Aisin Corporation
- Rotor having cooling channels, and electric machine having such a rotor9 Jul 2026US 2026/0196896 A1Schaeffler Technologies AG & Co. KG
- Electrical machine14 May 2026US 2026/0135031 A1Mahle International GmbH
- Covering Device for a Rotor With Two Steel Plates12 Mar 2026US 2026/0074578 A1Bayerische Motoren Werke Aktiengesellschaft
- Rotor With Winding Supports and Positively Connected Support Device15 Jan 2026US 2026/0018947 A1Bayerische Motoren Werke Aktiengesellschaft
Most cited
By later US patents
- Salient pole rotor for a dynamoelectric machine74US 5,086,246 AGeneral Electric Canada Inc. · 1992
- Cooling rotor for an alternator mounted on vehicle72US 5,306,977 ANippondenso Co., Ltd. · 1994
- AC generator for vehicle65US 5,994,802 ADenso Corporation · 1999
- Rotor end caps and a method of cooling a high speed generator56US 6,734,585 B2Honeywell International Inc. · 2004
- Dual-structured aircraft engine starter/generator46US 7,687,928 B2Smiths Aerospace, Inc. · 2010