G05B 13/0245
Not using a perturbation signal
Official title: {not using a perturbation signal}
G05B13/0245 (Not using a perturbation signal) appears on 42 US grants and 35 published applications in this corpus.
Search patents in G05B- Granted patents
- 42
- Published applications
- 35
- Assignees
- 41
- Inventors
- 110
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 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 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 5 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 3 | 1 |
| 2022 | 1 | 5 |
| 2023 | 3 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- System and method for using ramped setpoint temperature variation with networked thermostats to improve efficiency320US 8,010,237 B2EcoFactor, Inc. · 2011
- Automatic PID controller in which the ratio of the control target value to the control signal is used to optimize performance101US 5,325,288 A1994
- Improved proportional integral-derivative control apparatus62US 4,466,054 ATokyo Shibaura Denki Kabushiki Kaisha · 1984
- System and method for using ramped setpoint temperature variation with networked thermostats to improve efficiency58US 9,134,710 B2EcoFactor, Inc. · 2015
- Adaptive control system39US 4,733,149 AKollmorgen Technologies Corporation · 1988