G01G 7/045
Having a pid control system
Official title: {having a PID control system}
G01G7/045 (Having a pid control system) appears on 18 US grants and 4 published applications in this corpus.
Search patents in G01G- Granted patents
- 18
- Published applications
- 4
- Assignees
- 6
- Inventors
- 37
- Latest grant
- 8 May 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 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 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Diagnostic method for a weighing cell8 May 2018US 9,964,429 B2Mettler-Toledo AG
- Weighing cell based on the principle of electromagnetic force compensation with optoelectronic position sensor25 Aug 2015US 9,116,031 B2Mettler-Toledo AG
- Electronic balance having a position control mechanism16 Oct 2007US 7,282,655 B2Shimadzu Corporation
- Electronic balance with PID circuit14 Dec 1993US 5,270,497 AShimadzu Corporation
- Electronic balance9 Feb 1993US 5,184,690 AShimadzu Corporation
- Diagnostic method for a weighing cell14 Jan 2016US 2016/0011038 A1Mettler-Toledo AG
- Electromagnetic force balance25 Dec 2014US 2014/0374173 A1Shinko Denshi Company Limited
- Weighing cell based on the principle of electromagnetic force compensation with optoelectronic position sensor29 Aug 2013US 2013/0220711 A1Mettler-Toledo AG
- Electronic balance8 Jun 2006US 2006/0118343 A1Shimadzu Corporation
Most cited
By later US patents
- Load-compensating weighing apparatus including signal modifying means34US 3,986,571 A1976
- Apparatus for automatically changing the integration time and resolution of an electrical scale under predetermined operating conditions26US 4,156,472 AMettler Instrumente AG · 1979
- Weighing apparatus including a tapped electromagnetic load compensation coil18US 4,245,711 AMettler Instrument AG · 1981
- Weighing apparatus including digitalization error correcting means12US 4,189,017 AMettler Instrumente AG · 1980
- Apparatus for measuring weight and force12US 4,420,055 A1983