H02K 3/345
Between conductor and core
Official title: {between conductor and core, e.g. slot insulation}
H02K3/345 (Between conductor and core) appears on 765 US grants and 1,001 published applications in this corpus.
Search patents in H02K- Granted patents
- 765
- Published applications
- 1,001
- Assignees
- 339
- Inventors
- 2,061
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 3 |
| 2002 | 10 | 11 |
| 2003 | 11 | 9 |
| 2004 | 12 | 13 |
| 2005 | 10 | 12 |
| 2006 | 8 | 16 |
| 2007 | 7 | 9 |
| 2008 | 6 | 8 |
| 2009 | 6 | 9 |
| 2010 | 8 | 12 |
| 2011 | 10 | 16 |
| 2012 | 6 | 27 |
| 2013 | 11 | 31 |
| 2014 | 15 | 46 |
| 2015 | 12 | 56 |
| 2016 | 34 | 43 |
| 2017 | 55 | 46 |
| 2018 | 29 | 65 |
| 2019 | 53 | 81 |
| 2020 | 64 | 73 |
| 2021 | 53 | 78 |
| 2022 | 63 | 61 |
| 2023 | 55 | 61 |
| 2024 | 60 | 81 |
| 2025 | 62 | 67 |
| 2026 | 39 | 67 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- 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.
- Stator for rotary electric machine15 Sep 2026US 12,738,790 B2Denso Corporation
- Stator of an electric machine1 Oct 2026US 2026/0302866 A1Robert Bosch GmbH
- Stator24 Sep 2026US 2026/0291299 A1Denso Corporation
- Core sleeve arrangement for an axial flux machine24 Sep 2026US 2026/0291304 A1Magnax BV
- Stator and method of manufacturing stator24 Sep 2026US 2026/0291318 A1Aisin Corporation
- Stator, rotary electrical machine, and stator production method10 Sep 2026US 2026/0269661 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
Most cited
By later US patents
- 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
- Stator with molded encasement for small motors and manufacturing process therefor88US 6,075,304 AAlon, Inc. · 2000
- Alternator74US 6,501,205 B1Mitsubishi Denki Kabushiki Kaisha · 2002
- Stator of AC generator for vehicle65US 6,147,430 ADenso Corporation · 2000