F23N 2223/52
Fuzzy logic
F23N2223/52 (Fuzzy logic) appears on 24 US grants and 12 published applications in this corpus.
Search patents in F23N- Granted patents
- 24
- Published applications
- 12
- Assignees
- 20
- Inventors
- 84
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electronic control device and flow rate measurement system17 Mar 2026US 12,578,091 B2Hitachi Astemo, Ltd.
- Method for controlling a process within a system, particularly a combustion process in a boiler or furnace30 Jul 2024US 12,050,441 B2Aixprocess GmbH
- Fuzzy curve analysis based soft sensor modeling method using time difference Gaussian process regression2 Nov 2021US 11,164,095 B2Jiangnan University
- Transient control of a combustion Reaction21 May 2019US 10,295,175 B2Clearsign Combustion Corporation
- Method and device for controlling furnace temperature of burning heating furnace5 Jul 2016US 9,383,745 B2Baoshan Iron & Steel Co., Ltd.
- Electronic Control Device and Flow Rate Measurement System21 Dec 2023US 2023/0408087 A1Hitachi Astemo, Ltd.
- Method for controlling a process within a system, particularly a combustion process in a boiler or furnace15 Oct 2020US 2020/0326668 A1Aixprocess GmbH
- Fuzzy curve analysis based soft sensor modeling method using time difference Gaussian process regression16 Apr 2020US 2020/0118015 A1Jiangnan University
- Fuzzy curve analysis based soft sensor modeling method using time difference Gaussian process regression2 Mar 2017US 2017/0061305 A1Jiangnan University
- Transient control of a combustion reaction22 Sep 2016US 2016/0273763 A1Clearsign Combustion Corporation
Most cited
By later US patents
- Integrated imaging sensor/neural network controller for combustion systems71US 5,249,954 AElectric Power Research Institute, Inc. · 1993
- Automatically optimized combustion control47US 5,971,747 A1999
- Automatically optimized combustion control30US 5,993,194 A1999
- Gas fueled heating appliance26US 5,984,663 ABowin Technology Pty. Ltd. · 1999
- Apparatus and method for real time boiling point detection and control25US 5,947,370 AArthur D. Little, Inc. · 1999