G05B 23/0278
Qualitative
Official title: {Qualitative, e.g. if-then rules; Fuzzy logic; Lookup tables; Symptomatic search; FMEA}
G05B23/0278 (Qualitative) appears on 176 US grants and 203 published applications in this corpus.
Search patents in G05B- Granted patents
- 176
- Published applications
- 203
- Assignees
- 124
- Inventors
- 553
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 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 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 5 |
| 2003 | 8 | 10 |
| 2004 | 6 | 14 |
| 2005 | 7 | 5 |
| 2006 | 7 | 5 |
| 2007 | 9 | 9 |
| 2008 | 4 | 12 |
| 2009 | 8 | 8 |
| 2010 | 7 | 9 |
| 2011 | 7 | 5 |
| 2012 | 3 | 11 |
| 2013 | 7 | 7 |
| 2014 | 11 | 9 |
| 2015 | 7 | 7 |
| 2016 | 5 | 8 |
| 2017 | 6 | 10 |
| 2018 | 3 | 10 |
| 2019 | 15 | 9 |
| 2020 | 10 | 9 |
| 2021 | 7 | 13 |
| 2022 | 5 | 7 |
| 2023 | 10 | 10 |
| 2024 | 5 | 7 |
| 2025 | 6 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Failure factor priority order calculation device and method based on use environment10 Mar 2026US 12,572,138 B2Hitachi, Ltd.
- Scanner for monitoring the reliability of systems17 Feb 2026US 12,555,421 B2International Engine Intellectual Property Company, LLC
- Abnormality diagnosis device and abnormality diagnosis method9 Dec 2025US 12,492,966 B2Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Diagnostics system for a vehicle26 Aug 2025US 12,397,804 B2Jaguar Land Rover Limited
- Method for generating an FTA fault tree from an FMEA table of a technical system or vice versa26 Aug 2025US 12,399,765 B2Ion Beam Applications S. A.
- Semantically-aware layouts for failure mode and effects analyses11 Jun 2026US 2026/0162324 A1Sap SE
- System and method to identify interchangeable electrical components19 Feb 2026US 2026/0050257 A1JOSEPH MICHAEL SIEGER Trust
- System for rule management, predictive maintenance and quality assurance of a process and machine using reconfigurable sensor networks and big data machine learning27 Nov 2025US 2025/0362672 A1MachineSense, LLC
- On-wing probabilistic fault isolation through use of model-based safety analysis6 Nov 2025US 2025/0342286 A1Rockwell Collins, Inc.
- Information processing device and automatic analysis system28 Nov 2024US 2024/0394137 A1Hitachi High-Tech Corporation
Most cited
By later US patents
- Rule based diagnostic system with dynamic alteration capability226US 4,642,782 AWestinghouse Electric Corp. · 1987
- Diagnostic system and method191US 6,574,537 B2The Boeing Company · 2003
- Diagnostic apparatus187US 4,644,479 AWestinghouse Electric Corp. · 1987
- Device in a process system for detecting events180US 6,397,114 B1Rosemount Inc. · 2002
- Device in a process system for detecting events174US 6,017,143 ARosemount Inc. · 2000