G01K 7/026
Arrangements for signalling failure or disconnection of thermocouples
G01K7/026 (Arrangements for signalling failure or disconnection of thermocouples) appears on 46 US grants and 40 published applications in this corpus.
Search patents in G01K- Granted patents
- 46
- Published applications
- 40
- Assignees
- 47
- Inventors
- 100
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 4 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 4 |
| 2014 | 2 | 2 |
| 2015 | 1 | 2 |
| 2016 | 2 | 4 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 4 | 2 |
| 2020 | 0 | 3 |
| 2021 | 3 | 2 |
| 2022 | 2 | 2 |
| 2023 | 1 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 6 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Detecting a failure in a thermocouple array14 Jul 2026US 12,680,884 B2Rolls-Royce North American Technologies Inc.
- Detecting failure in a thermocouple array31 Mar 2026US 12,590,850 B2Rolls-Royce North American Technologies Inc.
- Methods and apparatus to control heating based on monitoring feedback of temperature sensors11 Feb 2025US 12,222,250 B2Illinois Tool Works Inc.
- Method and system for detecting failure in an array of thermocouples connected in parallel28 May 2024US 11,994,432 B2Pratt & Whitney Canada Corp.
- Diagnostic device and diagnostic method27 Feb 2024US 11,913,844 B2Yokogawa Electric Corporation
- Non-destructive thermocouple contact testing tool and method20 Nov 2025US 2025/0354878 A1Rtx Corporation
- Sensor and sensor mis-wiring diagnostic2 Oct 2025US 2025/0306129 A1
- Systems or devices and methods for managing thermocouple service life17 Apr 2025US 2025/0123152 A1
- Temperature measurement system6 Feb 2025US 2025/0044159 A1Rolls-Royce North American Technologies Inc.
- Temperature measurement system6 Feb 2025US 2025/0044168 A1Rolls-Royce North American Technologies Inc.
Most cited
By later US patents
- Apparatus and method for detection of an open thermocouple in a process control network71US 4,841,286 AHoneywell Inc. · 1989
- Open sensor diagnostic system for temperature transmitter in a process control system70US 5,703,575 ARosemount Inc. · 1997
- Thermocouple circuit detector for simultaneous analog trend recording and analog to digital conversion62US 3,973,184 ALeeds & Northrup Company · 1976
- Method and system for testing the accuracy of a thermocouple probe used to measure the temperature of molten steel57US 6,139,180 AVesuvius Crucible Company · 2000
- Device and method for self-verifying temperature measurement and control36US 6,473,708 B1Bechtel BWXT Idaho, LLC · 2002