H02K 3/32
Windings characterised by the shape, form or construction of the insulation
H02K3/32 (Windings characterised by the shape, form or construction of the insulation) appears on 2,159 US grants and 2,547 published applications in this corpus.
Search patents in H02K- Granted patents
- 2,159
- Published applications
- 2,547
- Assignees
- 676
- Inventors
- 4,853
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 6 | 0 |
| 1978 | 10 | 0 |
| 1979 | 10 | 0 |
| 1980 | 11 | 0 |
| 1981 | 9 | 0 |
| 1982 | 16 | 0 |
| 1983 | 16 | 0 |
| 1984 | 15 | 0 |
| 1985 | 7 | 0 |
| 1986 | 16 | 0 |
| 1987 | 10 | 0 |
| 1988 | 9 | 0 |
| 1989 | 18 | 0 |
| 1990 | 4 | 0 |
| 1991 | 14 | 0 |
| 1992 | 10 | 0 |
| 1993 | 4 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 18 | 0 |
| 1999 | 22 | 0 |
| 2000 | 24 | 0 |
| 2001 | 23 | 11 |
| 2002 | 34 | 37 |
| 2003 | 23 | 24 |
| 2004 | 28 | 37 |
| 2005 | 31 | 43 |
| 2006 | 31 | 42 |
| 2007 | 19 | 40 |
| 2008 | 18 | 44 |
| 2009 | 30 | 45 |
| 2010 | 31 | 43 |
| 2011 | 38 | 42 |
| 2012 | 22 | 70 |
| 2013 | 44 | 98 |
| 2014 | 44 | 114 |
| 2015 | 45 | 154 |
| 2016 | 75 | 130 |
| 2017 | 117 | 125 |
| 2018 | 93 | 158 |
| 2019 | 152 | 217 |
| 2020 | 160 | 198 |
| 2021 | 170 | 190 |
| 2022 | 147 | 166 |
| 2023 | 129 | 140 |
| 2024 | 153 | 160 |
| 2025 | 127 | 118 |
| 2026 | 82 | 101 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Edge sealed slot liner6 Oct 2026US 12,756,255 B23M Innovative Properties Company
- Electric motor29 Sep 2026US 12,749,933 B2Milwaukee Electric Tool Corporation
- Armature and driving device29 Sep 2026US 12,749,939 B2Sumitomo Heavy Industries, Ltd.
- Rotary electrical machine22 Sep 2026US 12,744,423 B2Mitsubishi Electric Corporation
- Refurbishing wind turbine generator stator winding with winding conversions22 Sep 2026US 12,744,437 B2Timken Gears & Services Inc.
- Engine cooling fan motor for vehicle8 Oct 2026US 2026/0312466 A1New Motech Co., Ltd.
- Method of manufacturing stator, and stator of rotating electric machine1 Oct 2026US 2026/0302861 A1Honda Motor Co., Ltd.
- Winding for a stator of an electric machine, comprising a further insulation surrounding an individual wire insulation1 Oct 2026US 2026/0302865 A1Schaeffler Technologies AG & Co. KG
- Stator of an electric machine1 Oct 2026US 2026/0302866 A1Robert Bosch GmbH
- Stator24 Sep 2026US 2026/0291299 A1Denso Corporation
Most cited
By later US patents
- Alternator for an automotive vehicle130US 5,998,903 ADenso Corporation · 1999
- Materials and impregnating compositions for insulating electric machines95US 4,160,926 AThe Epoxylite Corporation · 1979
- Motor having stator with insulator of high heat-conductivity94US 6,509,665 B1Matsushita Electric Industial Co., Ltd. · 2003
- Turbo generator plant with a high voltage electric generator89US 6,936,947 B1ABB AB · 2005
- Stator with molded encasement for small motors and manufacturing process therefor88US 6,075,304 AAlon, Inc. · 2000