H02K 3/48
In slots
Official title: in slots
H02K3/48 (In slots) appears on 795 US grants and 863 published applications in this corpus.
Search patents in H02K- Granted patents
- 795
- Published applications
- 863
- Assignees
- 322
- Inventors
- 2,066
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 8 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 19 | 8 |
| 2002 | 8 | 29 |
| 2003 | 8 | 17 |
| 2004 | 19 | 20 |
| 2005 | 18 | 17 |
| 2006 | 15 | 13 |
| 2007 | 11 | 8 |
| 2008 | 6 | 12 |
| 2009 | 7 | 18 |
| 2010 | 12 | 31 |
| 2011 | 18 | 15 |
| 2012 | 17 | 17 |
| 2013 | 12 | 19 |
| 2014 | 8 | 25 |
| 2015 | 14 | 36 |
| 2016 | 22 | 27 |
| 2017 | 25 | 34 |
| 2018 | 19 | 51 |
| 2019 | 39 | 69 |
| 2020 | 61 | 69 |
| 2021 | 42 | 73 |
| 2022 | 81 | 83 |
| 2023 | 56 | 47 |
| 2024 | 62 | 47 |
| 2025 | 31 | 47 |
| 2026 | 35 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stator assembly15 Sep 2026US 12,738,789 B2Caterpillar Inc.
- Joining method and joining apparatus for inserting a coil winding into a component of an electrical machine15 Sep 2026US 12,738,821 B2GROB-WERKE GmbH & Co. KG
- Electrical machine having stator sleeve8 Sep 2026US 12,732,050 B2ROLLS-ROYCE plc
- Thermosetting resin composition and stator8 Sep 2026US 12,732,051 B2Sumitomo Bakelite Co., Ltd.
- Coil wire rod made from twisted plurality of strands having cut outs and corners for stator, electrical machine1 Sep 2026US 12,726,069 B2Mitsubishi Heavy Industries, Ltd.
- Electric motor8 Oct 2026US 2026/0312440 A1Nanjing Chervon Industry Co., Ltd.
- Electric motor8 Oct 2026US 2026/0312441 A1Nanjing Chervon Industry Co., Ltd.
- Rotating electric machine1 Oct 2026US 2026/0302867 A1Honda Motor Co., Ltd.
- Rotor assembly and method of cooling24 Sep 2026US 2026/0291315 A1GE Aviation Systems LLC
- Slot Closure Device for an Electrical Machine, Method for Closing a Slot of an Electrical Machine, Electrical Machine, and Motor Vehicle17 Sep 2026US 2026/0280376 A1Bayerische Motoren Werke Aktiengesellschaft
Most cited
By later US patents
- Alternator for an automotive vehicle130US 5,998,903 ADenso Corporation · 1999
- Turbo generator plant with a high voltage electric generator89US 6,936,947 B1ABB AB · 2005
- Method and apparatus for registering a known digital object to scanned 3-D model73US 7,471,821 B2OraMetrix, Inc. · 2008
- Resin impregnated aromatic polyamide covered glass based slot wedge for large dynamoelectric machines67US 4,200,818 AWestinghouse Electric Corp. · 1980
- Dynamoelectric machine oil-cooled stator winding67US 4,994,700 ASundstrand Corporation · 1991