H02N 2/105
Cycloid or wobble motors
Official title: {Cycloid or wobble motors; Harmonic traction motors}
H02N2/105 (Cycloid or wobble motors) appears on 43 US grants and 39 published applications in this corpus.
Search patents in H02N- Granted patents
- 43
- Published applications
- 39
- Assignees
- 31
- Inventors
- 103
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 1 |
| 2003 | 3 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 4 |
| 2011 | 2 | 6 |
| 2012 | 0 | 4 |
| 2013 | 4 | 3 |
| 2014 | 5 | 3 |
| 2015 | 0 | 3 |
| 2016 | 3 | 1 |
| 2017 | 1 | 1 |
| 2018 | 4 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotary piezoelectric motor, in particular for watchmaking24 Jun 2025US 12,341,443 B2The Swatch Group Research and Development Ltd
- Regenerative drive system31 Dec 2019US 10,518,645 B2KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Buckling wave disk7 May 2019US 10,284,117 B2Genesis Advanced Technology Inc.
- Motor with linear actuators6 Nov 2018US 10,119,601 B2Phi Drive S.R.L.
- Magnetostrictive motor for a borehole assembly10 Jul 2018US 10,017,996 B2Halliburton Energy Services.Inc.
- Linear Motion Platform Utilizing an Externally Threaded Piezoelectric Actuator and Operating Method26 Jun 2025US 2025/0211138 A1Nanjing University of Aeronautics and Astronautics
- Shock-resistant piezoelectric rotary motor, in particular for watchmaking27 Jun 2024US 2024/0210889 A1The Swatch Group Research and Development Ltd
- Rotary piezoelectric motor, in particular for watchmaking22 Jun 2023US 2023/0198429 A1The Swatch Group Research and Development Ltd
- Buckling wave disk24 Oct 2019US 2019/0326834 A1Genesis Advanced Technology Inc.
- Regenerative Drive System30 Aug 2018US 2018/0244156 A1KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
Most cited
By later US patents
- Device and method for driving symmetric load systems139US 6,465,931 B2QorTek, Inc. · 2002
- Piezoelectric powered scroll compressor49US 4,950,135 AHitachi, Ltd. · 1990
- Bent shaft motor44US 5,747,915 ASandia Corporation · 1998
- Piezoelectric motor43US 5,144,187 ARockwell International Corporation · 1992
- Piezoelectric motor32US 5,027,028 A1991