H02K 3/00
Details of windings
H02K3/00 (Details of windings) appears on 10,699 US grants and 11,948 published applications in this corpus.
Search patents in H02K- Granted patents
- 10,699
- Published applications
- 11,948
- Assignees
- 2,528
- Inventors
- 17,945
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 70 | 0 |
| 1977 | 47 | 0 |
| 1978 | 64 | 0 |
| 1979 | 50 | 0 |
| 1980 | 53 | 0 |
| 1981 | 58 | 0 |
| 1982 | 85 | 0 |
| 1983 | 62 | 0 |
| 1984 | 59 | 0 |
| 1985 | 44 | 0 |
| 1986 | 50 | 0 |
| 1987 | 65 | 0 |
| 1988 | 41 | 0 |
| 1989 | 66 | 0 |
| 1990 | 54 | 0 |
| 1991 | 61 | 0 |
| 1992 | 53 | 0 |
| 1993 | 69 | 0 |
| 1994 | 81 | 0 |
| 1995 | 67 | 0 |
| 1996 | 65 | 0 |
| 1997 | 96 | 0 |
| 1998 | 126 | 0 |
| 1999 | 154 | 0 |
| 2000 | 147 | 0 |
| 2001 | 153 | 60 |
| 2002 | 171 | 255 |
| 2003 | 154 | 209 |
| 2004 | 232 | 249 |
| 2005 | 218 | 257 |
| 2006 | 195 | 228 |
| 2007 | 141 | 230 |
| 2008 | 118 | 265 |
| 2009 | 170 | 276 |
| 2010 | 231 | 358 |
| 2011 | 228 | 337 |
| 2012 | 224 | 354 |
| 2013 | 275 | 438 |
| 2014 | 269 | 511 |
| 2015 | 243 | 523 |
| 2016 | 313 | 564 |
| 2017 | 443 | 626 |
| 2018 | 444 | 611 |
| 2019 | 643 | 712 |
| 2020 | 603 | 776 |
| 2021 | 588 | 732 |
| 2022 | 612 | 817 |
| 2023 | 511 | 725 |
| 2024 | 699 | 751 |
| 2025 | 642 | 612 |
| 2026 | 392 | 472 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02K 3/04Windings characterised by the conductor shape, form or construction5,941
- H02K 3/46Fastening of windings on the stator or rotor structure5,413
- H02K 3/32Windings characterised by the shape, form or construction of the insulation2,159
- H02K 3/30Windings characterised by the insulating material584
- H02K 3/02Windings characterised by the conductor material241
- H02K 3/44Protection against moisture or chemical attack169
- H02K 3/42Means for preventing or reducing eddy-current losses in the winding heads102
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Most cited
By later US patents
- Methods and apparatus for increasing power of permanent magnet motors1,432US 6,777,838 B22004
- Electric machine having an integrally continuous stator winding and stator slot bridges1,193US 6,936,948 B2Pratt & Whitney Canada Corp. · 2005
- Architecture for electric machine1,149US 7,583,063 B2Pratt & Whitney Canada Corp. · 2009
- Coil winding number variable type motor and coil winding number varying method for varying cooling and heating capacity of reciprocating compressor1,021US 6,841,967 B2LG Electronics Inc. · 2005
- Blower with bearing tube333US 8,636,479 B2ResMed Motor Technologies Inc. · 2014