G05B 19/40
Open loop systems
Official title: Open loop systems, e.g. using stepping motor
G05B19/40 (Open loop systems) appears on 281 US grants and 89 published applications in this corpus.
Search patents in G05B- Granted patents
- 281
- Published applications
- 89
- Assignees
- 184
- Inventors
- 506
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 14 | 0 |
| 1978 | 18 | 0 |
| 1979 | 12 | 0 |
| 1980 | 12 | 0 |
| 1981 | 13 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 11 | 0 |
| 1985 | 6 | 0 |
| 1986 | 14 | 0 |
| 1987 | 11 | 0 |
| 1988 | 3 | 0 |
| 1989 | 9 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 5 |
| 2003 | 5 | 9 |
| 2004 | 11 | 17 |
| 2005 | 11 | 8 |
| 2006 | 4 | 3 |
| 2007 | 5 | 2 |
| 2008 | 1 | 3 |
| 2009 | 4 | 3 |
| 2010 | 2 | 2 |
| 2011 | 2 | 1 |
| 2012 | 0 | 2 |
| 2013 | 5 | 4 |
| 2014 | 2 | 2 |
| 2015 | 1 | 1 |
| 2016 | 3 | 4 |
| 2017 | 0 | 1 |
| 2018 | 4 | 4 |
| 2019 | 5 | 3 |
| 2020 | 1 | 5 |
| 2021 | 1 | 2 |
| 2022 | 3 | 2 |
| 2023 | 2 | 2 |
| 2024 | 1 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cam curve generating device and cam curve generating method7 Jul 2026US 12,675,090 B2Panasonic Intellectual Property Management Co., Ltd.
- Step-based systems with multiple actuators11 Nov 2025US 12,468,280 B2Marel Limited
- Wireless control assembly for cutting machine15 Apr 2025US 12,276,961 B2Team Industrial Services, Inc.
- Distributed dynamic model for multi-axis motion control6 Aug 2024US 12,055,917 B2Rockwell Automation Technologies, Inc.
- Stepper motor3 Oct 2023US 11,774,936 B2Texas Instruments Incorporated
- Surface morphing technology using an interconnected network of circular compliant actuators12 Feb 2026US 2026/0044130 A1The Research Foundation for The State University of New York
- Method for controlling a stepping motor and relative control device26 Jun 2025US 2025/0208598 A1Gh Enterprise S.R.L.
- Distributed Dynamic Model for Multi-Axis Motion Control28 Mar 2024US 2024/0103490 A1Rockwell Automation Technologies, Inc.
- Wireless control assembly for cutting machine11 Jan 2024US 2024/0012380 A1Team Industrial Services, Inc.
- Cam curve generating device, cam curve generating method, and program21 Dec 2023US 2023/0409002 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Use of digital current ramping to reduce audible noise in stepper motor183US 6,208,107 B1Abbott Laboratories · 2001
- Dynamic pulse-width modulation motor control and medical device incorporating same120US 8,603,026 B2Medtronic MiniMed, Inc. · 2013
- Autosetpoint registration control system and method associated with a web converting manufacturing process86US 7,123,981 B2Kimberly-Clark Worldwide, Inc. · 2006
- Computer controlled altazimuth telescope mount71US 4,764,881 A1988
- Pneumatic limb control system70US 4,876,944 ADuke University · 1989