H02N 2/023
Inchworm motors
Official title: {Inchworm motors}
H02N2/023 (Inchworm motors) appears on 112 US grants and 67 published applications in this corpus.
Search patents in H02N- Granted patents
- 112
- Published applications
- 67
- Assignees
- 89
- Inventors
- 242
- Latest grant
- 19 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 5 |
| 2003 | 3 | 1 |
| 2004 | 3 | 4 |
| 2005 | 3 | 4 |
| 2006 | 3 | 10 |
| 2007 | 8 | 6 |
| 2008 | 4 | 7 |
| 2009 | 4 | 2 |
| 2010 | 4 | 2 |
| 2011 | 3 | 4 |
| 2012 | 2 | 3 |
| 2013 | 1 | 1 |
| 2014 | 3 | 2 |
| 2015 | 1 | 3 |
| 2016 | 0 | 0 |
| 2017 | 3 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 3 |
| 2022 | 3 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 2 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Posture adjustment device and method for optical sensor, and automatic material transport system19 Mar 2024US 11,933,719 B2Changxin Memory Technologies, Inc.
- Short-travel nanoscale motion stage and method for measuring thermally-related hysteresis data28 Nov 2023US 11,831,256 B2Harbin Institute of Technology
- Method and system for interaction between VR application and controller capable of changing length and center of gravity1 Aug 2023US 11,714,484 B2Korea University of Technology and Education Industry-University Cooperation Foundation
- Piezoelectric braking device15 Nov 2022US 11,499,597 B2Thorlabs, Inc.
- Piercing apparatus and a method of fabricating thereof19 Jul 2022US 11,394,319 B2
- Piezoelectric motor having inchworm and ultrasonic modes30 Oct 2025US 2025/0337344 A1Seagate Technology LLC
- Robotic Muscle Device and Method of Actuation4 Sep 2025US 2025/0276748 A1Spike Dynamics
- Piezo-actuated drive unit for syringe pump5 Sep 2024US 2024/0293613 A1
- Drive device and method for operating a drive device of this type8 Feb 2024US 2024/0048074 A1Physik Instrumente (Pi) GmbH & Co. KG
- Inchworm actuator7 Sep 2023US 2023/0283204 A1
Most cited
By later US patents
- Electroactive polymer devices1,577US 6,545,384 B1SRI International · 2003
- Electroactive polymers213US 6,812,624 B1SRI International · 2004
- Electroactive polymers127US 7,199,501 B2SRI International · 2007
- Electroactive polymer generators124US 7,034,432 B1SRI International · 2006
- Automatically operating valve for regulating water flow and faucet provided with said valve107US 4,955,535 AToto Ltd. · 1990