H02K 23/54
Disc armature motors or generators
H02K23/54 (Disc armature motors or generators) appears on 118 US grants and 63 published applications in this corpus.
Search patents in H02K- Granted patents
- 118
- Published applications
- 63
- Assignees
- 57
- Inventors
- 154
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 3 |
| 2002 | 4 | 5 |
| 2003 | 8 | 4 |
| 2004 | 3 | 2 |
| 2005 | 2 | 5 |
| 2006 | 4 | 6 |
| 2007 | 4 | 5 |
| 2008 | 1 | 2 |
| 2009 | 2 | 2 |
| 2010 | 2 | 3 |
| 2011 | 1 | 4 |
| 2012 | 1 | 6 |
| 2013 | 0 | 5 |
| 2014 | 3 | 0 |
| 2015 | 5 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Axial flux actuators using printed circuit board armatures4 Aug 2026US 12,700,771 B1E-Circuit Motors, Inc.
- Constant micro power energy system (CMPES) device16 Jun 2026US 12,658,762 B2
- Electrical generation26 Mar 2024US 11,942,820 B2
- Pre-warped rotors for control of magnet-stator gap in axial flux machines14 Sep 2021US 11,121,614 B2E-Circuit Motors, Inc.
- Windscreen wiper drive of a windscreen wiper device of a rail vehicle24 Nov 2020US 10,843,665 B2Knorr-Bremse GmbH
- Electric motor operating method16 Apr 2026US 2026/0106526 A1
- Constant micro power energy system (cmpes) device31 Oct 2024US 2024/0364184 A1
- Electrical Generation29 Feb 2024US 2024/0072624 A1
- DC three-phase electric motor with disk-shaped coil technique for use in electric vehicles19 Oct 2023US 2023/0336062 A1
- High torque motor failsafe operating system5 Sep 2019US 2019/0273408 A1
Most cited
By later US patents
- Flat rim type motor drive mechanism for bicycles86US 5,272,938 A1993
- Brushless D.C. dynamoelectric machine having ferrite material magnetic circuit85US 4,605,874 AMaghemite Inc. · 1986
- Brushless D.C. dynamoelectric machine with decreased magnitude of pulsations of air gap flux67US 4,710,667 AMaghemite Inc. · 1987
- Permanent magnet field structure for dynamoelectric machines63US 3,979,619 ACanadian General Electric Company Limited · 1976
- Flat motor of reduced length60US 5,144,183 AKollmorgen Corporation · 1992