H02K 15/12
Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
H02K15/12 (Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines) appears on 1,341 US grants and 1,707 published applications in this corpus.
Search patents in H02K- Granted patents
- 1,341
- Published applications
- 1,707
- Assignees
- 634
- Inventors
- 3,581
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 12 | 0 |
| 1979 | 6 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 11 | 0 |
| 1995 | 13 | 0 |
| 1996 | 5 | 0 |
| 1997 | 12 | 0 |
| 1998 | 16 | 0 |
| 1999 | 10 | 0 |
| 2000 | 12 | 0 |
| 2001 | 12 | 12 |
| 2002 | 23 | 40 |
| 2003 | 16 | 20 |
| 2004 | 20 | 23 |
| 2005 | 25 | 30 |
| 2006 | 20 | 36 |
| 2007 | 22 | 25 |
| 2008 | 11 | 25 |
| 2009 | 16 | 33 |
| 2010 | 25 | 49 |
| 2011 | 28 | 42 |
| 2012 | 27 | 61 |
| 2013 | 30 | 48 |
| 2014 | 37 | 62 |
| 2015 | 36 | 67 |
| 2016 | 35 | 72 |
| 2017 | 46 | 57 |
| 2018 | 56 | 87 |
| 2019 | 71 | 121 |
| 2020 | 87 | 125 |
| 2021 | 89 | 96 |
| 2022 | 106 | 103 |
| 2023 | 65 | 115 |
| 2024 | 84 | 154 |
| 2025 | 85 | 112 |
| 2026 | 79 | 92 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Crystalline radical polymerizable composition for fixing a magnet of a rotating electric machine rotor core, a rotating electric machine rotor core using the composition, and a method of manufacturing the rotating electric machine rotor core6 Oct 2026US 12,756,246 B2Aisin Corporation
- Stator arrangement for a radial flux motor6 Oct 2026US 12,756,248 B2BorgWarner Inc.
- Tooling for encapsulated ESP stators6 Oct 2026US 12,756,256 B2Schlumberger Technology Corporation
- Overmolded target for a motor vehicle6 Oct 2026US 12,756,274 B2Continental Automotive Technologies GmbH
- Manufacturing apparatus of laminated iron core6 Oct 2026US 12,756,280 B2Nippon Steel Corporation
- Thixotropic potting compound for fixing a permanent magnet in a rotor of a permanently excited synchronous machine8 Oct 2026US 2026/0312472 A1Innomotics GmbH
- Rotor of a permanently excited synchronous machine and permanently excited synchronous machine with such a rotor8 Oct 2026US 2026/0312473 A1Innomotics GmbH
- Electric motor stator end-turn windings coating defect detection1 Oct 2026US 2026/0298833 A1GM Global Technology Operations LLC
- Method of manufacturing stator, and stator of rotating electric machine1 Oct 2026US 2026/0302861 A1Honda Motor Co., Ltd.
- Non-magnetization modification source-containing paste, application device for the same, rotor core using the same, and method for manufacturing the same1 Oct 2026US 2026/0302904 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Method of fabricating an injected molded motor assembly139US 5,806,169 A1998
- Method of making a self-supporting wire coil125US 4,053,975 ASiemens Aktiengesellschaft · 1977
- 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
- Injection molded motor assembly86US 6,020,661 APacific Scientific Company · 2000