G05B 13/022
Using a perturbation of the variable
Official title: {using a perturbation of the variable}
G05B13/022 (Using a perturbation of the variable) appears on 48 US grants and 38 published applications in this corpus.
Search patents in G05B- Granted patents
- 48
- Published applications
- 38
- Assignees
- 38
- Inventors
- 101
- Latest grant
- 27 May 2025
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 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 2 | 2 |
| 2017 | 0 | 5 |
| 2018 | 1 | 2 |
| 2019 | 4 | 6 |
| 2020 | 7 | 5 |
| 2021 | 4 | 3 |
| 2022 | 4 | 4 |
| 2023 | 5 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automatic detection of distributed energy resources system parameters27 May 2025US 12,316,124 B2Heila Technologies, Inc.
- Method for DC islanding detection based on positive feedback of bus voltage at specific frequency18 Jun 2024US 12,013,426 B2Zhejiang University
- Intellectual quality management method, electronic device and computer readable storage medium28 Nov 2023US 11,829,111 B2Shenzhen Fullan Fugui Precision Industry Co., Ltd.
- Intellectual quality management method, electronic device and computer readable storage medium22 Aug 2023US 11,733,659 B2Shenzhen Fullan Fugui Precision Industry Co., Ltd.
- Central plant control system with asset allocation override27 Jun 2023US 11,689,384 B2Johnson Controls Tyco IP Holdings LLP
- Method for operating a controller, computer program product and controller, and motor vehicle containing said controller23 Apr 2026US 2026/0110992 A1Ford Global Technologies, LLC
- Model predictive controller architecture and method of generating an optimized energy signal for charging a battery15 Feb 2024US 2024/0053403 A1Iontra Inc
- Intellectual quality management method, electronic device and computer readable storage medium21 Sep 2023US 2023/0297037 A1Shenzhen Fulian Fugui Precision Industry Co., Ltd.
- Method for auto-tuning and process performance assessment of chamber control9 Mar 2023US 2023/0071431 A1APPLIED Materials.Inc.
- Intellectual quality management method, electronic device and computer readable storage medium22 Dec 2022US 2022/0404778 A1Shenzhen Fulian Fugui Precision Industry Co., Ltd.
Most cited
By later US patents
- Dynamic process control179US 4,616,308 AShell Oil Company · 1986
- Dynamic matrix control method145US 4,349,869 AShell Oil Company · 1982
- Optimum tracking control method for periodic target value35US 5,119,287 AKabushiki Kaisha Yaskawa Denki Seisakusho · 1992
- Method and apparatus for controlling an internal combustion engine31US 4,064,846 ARobert Bosch GmbH · 1977
- Method and apparatus for controlling or processing operations of varying characteristics26US 5,057,992 ADentonaut Labs Ltd. · 1991