H02K 15/13
Applying slot closure means in the cores
Official title: Applying slot closure means in the cores; Manufacture of slot closure means
H02K15/13 (Applying slot closure means in the cores) appears on 106 US grants and 106 published applications in this corpus.
Search patents in H02K- Granted patents
- 106
- Published applications
- 106
- Assignees
- 70
- Inventors
- 312
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 5 | 6 |
| 2003 | 4 | 4 |
| 2004 | 3 | 8 |
| 2005 | 2 | 0 |
| 2006 | 1 | 3 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 3 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 1 |
| 2016 | 1 | 7 |
| 2017 | 1 | 3 |
| 2018 | 3 | 7 |
| 2019 | 5 | 15 |
| 2020 | 10 | 6 |
| 2021 | 6 | 4 |
| 2022 | 5 | 6 |
| 2023 | 3 | 6 |
| 2024 | 3 | 3 |
| 2025 | 3 | 6 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stator assembly15 Sep 2026US 12,738,789 B2Caterpillar Inc.
- Electric machine wedges and method for insertion of wedges28 Jul 2026US 12,695,350 B2BorgWarner Inc.
- Method for producing a formed coil winding, stator and mold for producing formed coil windings26 May 2026US 12,640,628 B2Bayerische Motoren Werke Aktiengesellschaft
- Slot wedge, tool and method for simultaneously installing a winding and the slot wedge19 May 2026US 12,633,808 B2Innomotics GmbH
- Stator assembly including stiffener and method of assembly thereof1 Jul 2025US 12,348,081 B2Regal Beloit America, Inc.
- 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
- Tool for removing groove wedges and method23 Jul 2026US 2026/0208336 A1Siemens Energy Global GmbH & Co. KG
- Stator and method for producing a stator23 Jul 2026US 2026/0213589 A1Schaeffler Technologies AG & Co. KG
- Stator of a rotary electric machine, comprising foldable constrictions25 Jun 2026US 2026/0180380 A1Moteurs Leroy-Somer
- Motor-stator configuration with laminate foot key18 Jun 2026US 2026/0171862 A1Honeywell International Inc.
Most cited
By later US patents
- Resin impregnated aromatic polyamide covered glass based slot wedge for large dynamoelectric machines67US 4,200,818 AWestinghouse Electric Corp. · 1980
- Dynamoelectric machines including metal filled glass cloth slot closure wedges, and methods of making the same65US 5,124,607 AGeneral Electric Company · 1992
- Turbo-generator rotor with a rotor winding and a method of securing the rotor winding37US 3,932,779 AAllmanna Svenska Elektriska Aktiebolaget · 1976
- Automated remote carriage for tightening generator wedges26US 7,866,421 B2Siemens Energy, Inc. · 2011
- Method of plugging armature slots25US 3,991,152 ABriggs & Stratton Corporation · 1976