H02K 16/04
Machines with one rotor and two stators
H02K16/04 (Machines with one rotor and two stators) appears on 478 US grants and 570 published applications in this corpus.
Search patents in H02K- Granted patents
- 478
- Published applications
- 570
- Assignees
- 289
- Inventors
- 992
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 7 |
| 2003 | 2 | 4 |
| 2004 | 6 | 14 |
| 2005 | 9 | 13 |
| 2006 | 6 | 8 |
| 2007 | 3 | 8 |
| 2008 | 6 | 21 |
| 2009 | 6 | 15 |
| 2010 | 14 | 21 |
| 2011 | 12 | 14 |
| 2012 | 13 | 17 |
| 2013 | 14 | 21 |
| 2014 | 13 | 26 |
| 2015 | 20 | 23 |
| 2016 | 18 | 27 |
| 2017 | 30 | 37 |
| 2018 | 31 | 34 |
| 2019 | 26 | 25 |
| 2020 | 31 | 44 |
| 2021 | 36 | 52 |
| 2022 | 41 | 41 |
| 2023 | 25 | 30 |
| 2024 | 32 | 32 |
| 2025 | 29 | 22 |
| 2026 | 16 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Axial flux machine and low-profile cooling apparatus15 Sep 2026US 12,738,783 B1E-Circuit Motors, Inc.
- Electric axial flux machine with housing having openings1 Sep 2026US 12,726,063 B2Schaeffler Technologies AG & Co. KG
- Electric machine arrangement with a length compensating element1 Sep 2026US 12,726,076 B2Schaeffler Technologies AG & Co. KG
- Axial flux motor which is fixed to a housing and has an adjustment function18 Aug 2026US 12,712,419 B2Schaeffler Technologies AG & Co. KG
- Axial flux actuators using printed circuit board armatures4 Aug 2026US 12,700,771 B1E-Circuit Motors, Inc.
- Integrated Assembly of a Gearbox and Electric Motor with Shared Cooling Features6 Aug 2026US 2026/0229970 A1Supernal, LLC
- Drive Motor and Power Tool Having a Drive Motor6 Aug 2026US 2026/0229971 A1Robert Bosch GmbH
- Stator assembly for micro-axial pump6 Aug 2026US 2026/0231360 A1Hewlett Packard Enterprise Development LP
- Electric Motor and Power Tool Having an Electric Motor30 Jul 2026US 2026/0221840 A1Robert Bosch GmbH
- Micro-axial pump having asymmetrical stator teeth30 Jul 2026US 2026/0223323 A1Hewlett Packard Enterprise Development LP
Most cited
By later US patents
- 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
- Motor with redundant windings108US 4,434,389 AKollmorgen Technologies Corporation · 1984
- Electrical machine with double-sided rotor83US 7,154,191 B2General Electric Company · 2006
- Architecture for electric machine69US 6,965,183 B2Pratt & Whitney Canada Corp. · 2005