G05D 3/121
Using synchromachines
Official title: {using synchromachines (selsyns)}
G05D3/121 (Using synchromachines) appears on 25 US grants and 5 published applications in this corpus.
Search patents in G05D- Granted patents
- 25
- Published applications
- 5
- Assignees
- 20
- Inventors
- 43
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Precision stylus control system22 Sep 2026US 12,742,626 B2
- Noise cancelling device21 Jul 2026US 12,688,841 B1King Fahd University of Petroleum and Minerals
- Hands-free motorized harmonica positioner27 Jan 2026US 12,536,983 B1
- Mobile image pickup device1 Nov 2022US 11,490,018 B2Japan Aerospace Exploration Agency
- Synchronization control device18 May 2021US 11,012,012 B2OMRON Corporation
- Automated perforation of in-situ ground covering5 Feb 2026US 2026/0037009 A1
- Precision stylus control system24 Oct 2024US 2024/0353214 A1
- Mobile image pickup device13 May 2021US 2021/0144306 A1Japan Aerospace Exploration Agency
- Synchronization control device24 Dec 2020US 2020/0403538 A1OMRON Corporation
- Synchronization control apparatus10 Sep 2015US 2015/0253780 A1Fanuc Corporation
Most cited
By later US patents
- Remotely operated downhole switching apparatus31US 4,523,194 ATRW Inc. · 1985
- Method and apparatus for measuring the rotation of a work table26US 4,358,723 A1982
- Resolver excitation circuit18US 4,972,186 AAllen-Bradley Company, Inc. · 1990
- Device for position control17US 4,310,790 AKollmorgen Technologies Corporation · 1982
- Servo control apparatus16US 4,156,169 ARicoh Company, Ltd. · 1979