H02K 3/493
Magnetic
Official title: magnetic
H02K3/493 (Magnetic) appears on 127 US grants and 127 published applications in this corpus.
Search patents in H02K- Granted patents
- 127
- Published applications
- 127
- Assignees
- 73
- Inventors
- 308
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 4 |
| 2003 | 3 | 3 |
| 2004 | 2 | 5 |
| 2005 | 4 | 6 |
| 2006 | 4 | 1 |
| 2007 | 2 | 2 |
| 2008 | 3 | 5 |
| 2009 | 3 | 7 |
| 2010 | 5 | 5 |
| 2011 | 3 | 3 |
| 2012 | 3 | 4 |
| 2013 | 3 | 5 |
| 2014 | 2 | 1 |
| 2015 | 1 | 2 |
| 2016 | 2 | 5 |
| 2017 | 2 | 2 |
| 2018 | 2 | 8 |
| 2019 | 7 | 13 |
| 2020 | 6 | 3 |
| 2021 | 8 | 11 |
| 2022 | 14 | 14 |
| 2023 | 5 | 2 |
| 2024 | 5 | 6 |
| 2025 | 1 | 5 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrical machine having stator sleeve8 Sep 2026US 12,732,050 B2ROLLS-ROYCE plc
- Electric machine with multi-part trapezoidal teeth23 Jun 2026US 12,665,450 B2Evr Motors Ltd
- Synchronous reluctance motor9 Jun 2026US 12,651,938 B2Mitsubishi Electric Corporation
- Permanent magnet-type rotary electric machine5 May 2026US 12,620,846 B2Mitsubishi Electric Corporation
- Method for sintering a multicomponent object to be sintered, electric machine, and electric vehicle13 May 2025US 12,301,076 B2Siemens Aktiengesellschaft
- Stator of a rotary electric machine, comprising foldable constrictions25 Jun 2026US 2026/0180380 A1Moteurs Leroy-Somer
- Stator and rotor for an electric machine, electric machine, method for producing same, and vehicle26 Mar 2026US 2026/0088676 A1Ford Global Technologies, LLC
- Wedge for electromagnetic machine19 Feb 2026US 2026/0051772 A1Hamilton Sundstrand Corporation
- Stator and rotary electric machine29 Jan 2026US 2026/0031673 A1IHI Corporation
- Coil-retention wedge for a stator slot26 Jun 2025US 2025/0211050 A1BHE Turbomachinery, LLC
Most cited
By later US patents
- Alternator for an automotive vehicle130US 5,998,903 ADenso Corporation · 1999
- Resin impregnated aromatic polyamide covered glass based slot wedge for large dynamoelectric machines67US 4,200,818 AWestinghouse Electric Corp. · 1980
- Dynamoelectric machines including metal filled glass cloth slot closure wedges, and methods of making the same65US 5,124,607 AGeneral Electric Company · 1992
- Permanent-magnet revolving electrodynamic machine with a concentrated winding stator64US 6,335,582 B12002
- Magnetic slot wedge with low average permeability and high mechanical strength63US 4,425,521 AGeneral Electric Company · 1984