H02K 5/1737
Radially supporting the rotor around a fixed spindle
Official title: {radially supporting the rotor around a fixed spindle; radially supporting the rotor directly}
H02K5/1737 (Radially supporting the rotor around a fixed spindle) appears on 239 US grants and 160 published applications in this corpus.
Search patents in H02K- Granted patents
- 239
- Published applications
- 160
- Assignees
- 138
- Inventors
- 455
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 13 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 14 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 5 |
| 2002 | 8 | 12 |
| 2003 | 8 | 4 |
| 2004 | 3 | 7 |
| 2005 | 4 | 4 |
| 2006 | 4 | 1 |
| 2007 | 3 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 0 |
| 2012 | 2 | 2 |
| 2013 | 0 | 9 |
| 2014 | 2 | 3 |
| 2015 | 3 | 5 |
| 2016 | 5 | 4 |
| 2017 | 6 | 4 |
| 2018 | 1 | 10 |
| 2019 | 10 | 13 |
| 2020 | 9 | 10 |
| 2021 | 6 | 16 |
| 2022 | 12 | 16 |
| 2023 | 10 | 8 |
| 2024 | 10 | 9 |
| 2025 | 14 | 8 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Electromechanical spindle drive17 Mar 2026US 12,580,447 B2TRUMPF Maschinen Austria GmbH & Co. KG.
- External rotor motor with a cooling wheel for cooling the stator10 Mar 2026US 12,573,916 B2ebm-papst Mulfingen GmbH & Co. KG
- Rotating electric machine, electric wheel, and vehicle3 Mar 2026US 12,567,779 B2Hitachi, Ltd.
- Axial flux motor, gear motor and conveyor16 Jul 2026US 2026/0204988 A1Avancon SA
- Rotating device25 Jun 2026US 2026/0177061 A1MINEBEA MITSUMI Inc.
- Seal assemblies for in-wheel outer rotor electric motors14 May 2026US 2026/0132819 A1Donut Lab Development Oü
- Micro-axial pump with press-fit impeller30 Apr 2026US 2026/0122846 A1Hewlett Packard Enterprise Development LP
- Rotating device30 Oct 2025US 2025/0337305 A1MINEBEA MITSUMI Inc.
Most cited
By later US patents
- Electric motor187US 9,570,945 B2Grundfos Holding A/S · 2017
- Disk storage drive63US 4,779,165 APapst-Motoren GmbH & Co. KG · 1988
- Disk drive spindle motor with wire guide insert61US 6,215,616 B1Western Digital Corporation · 2001
- Stator assembly52US 6,362,554 B1Encap Motor Corporation · 2002
- Spindle motor50US 5,045,738 ANippon Densan Corporation · 1991