G05B 11/18
Multi-step controllers
G05B11/18 (Multi-step controllers) appears on 24 US grants and 9 published applications in this corpus.
Search patents in G05B- Granted patents
- 24
- Published applications
- 9
- Assignees
- 19
- Inventors
- 30
- Latest grant
- 14 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 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 | 3 |
| 2014 | 0 | 1 |
| 2015 | 3 | 1 |
| 2016 | 3 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Control device for alternating-current electric motor14 Jun 2022US 11,362,606 B2Denso Corporation
- Model-based load demand control29 Jan 2019US 10,190,766 B2Emerson Process Management Power & Water Solutions, Inc.
- Contact-and-separation system, image forming apparatus, and contact-and-separation method21 Aug 2018US 10,053,317 B2Ricoh Company, Ltd.
- Multistage control method of flow control valve using DC motor19 Jul 2016US 9,395,703 B2Korea Aerospace Research Institute
- Multichannel controller7 Jun 2016US 9,362,710 B1Northrop Grumman Systems Corporation
- Control device for alternating-current electric motor24 Oct 2019US 2019/0326837 A1Denso Corporation
- Contact-and-separation system, image forming apparatus, and contact-and-separation method8 Feb 2018US 2018/0039221 A1Ricoh Company, Ltd.
- Model-based load demand control11 Feb 2016US 2016/0040871 A1Emerson Process Management Power & Water Solutions, Inc.
- Electric motor system and motor control method23 Apr 2015US 2015/0110525 A1Ricoh Company, Ltd.
- Cooling apparatus for internal combustion engine17 Apr 2014US 2014/0103847 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Method and control device for dosing flow media43US 4,313,465 APierburg Luftfahrtgerate Union GmbH · 1982
- Sequence controller24US 3,984,699 ABarber-Colman Company · 1976
- Servo amplifier20US 5,153,492 AMsi, LLC · 1992
- Automatic process control device17US 4,344,128 A1982
- Multiple control circuit with floating setpoint16US 4,143,415 ACanadian General Electric Company Limited · 1979