G01K 7/02
Measuring temperature based on the use of electric or magnetic elements directly
Official title: using thermoelectric elements, e.g. thermocouples
G01K7/02 (Measuring temperature based on the use of electric or magnetic elements directly) appears on 1,439 US grants and 1,409 published applications in this corpus.
Search patents in G01K- Granted patents
- 1,439
- Published applications
- 1,409
- Assignees
- 950
- Inventors
- 3,538
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 21 | 0 |
| 1978 | 29 | 0 |
| 1979 | 21 | 0 |
| 1980 | 17 | 0 |
| 1981 | 14 | 0 |
| 1982 | 12 | 0 |
| 1983 | 12 | 0 |
| 1984 | 27 | 0 |
| 1985 | 11 | 0 |
| 1986 | 20 | 0 |
| 1987 | 8 | 0 |
| 1988 | 17 | 0 |
| 1989 | 16 | 0 |
| 1990 | 11 | 0 |
| 1991 | 12 | 0 |
| 1992 | 11 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 15 | 0 |
| 1998 | 21 | 0 |
| 1999 | 19 | 0 |
| 2000 | 17 | 0 |
| 2001 | 15 | 1 |
| 2002 | 16 | 19 |
| 2003 | 11 | 16 |
| 2004 | 12 | 27 |
| 2005 | 12 | 23 |
| 2006 | 15 | 17 |
| 2007 | 11 | 17 |
| 2008 | 5 | 25 |
| 2009 | 9 | 26 |
| 2010 | 21 | 29 |
| 2011 | 17 | 28 |
| 2012 | 16 | 38 |
| 2013 | 27 | 51 |
| 2014 | 29 | 60 |
| 2015 | 36 | 46 |
| 2016 | 43 | 57 |
| 2017 | 56 | 79 |
| 2018 | 52 | 64 |
| 2019 | 81 | 95 |
| 2020 | 79 | 118 |
| 2021 | 82 | 120 |
| 2022 | 98 | 109 |
| 2023 | 89 | 93 |
| 2024 | 91 | 108 |
| 2025 | 77 | 86 |
| 2026 | 53 | 57 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01K 7/04The object to be measured not forming one of the thermoelectric materials326
- G01K 7/021Particular circuit arrangements163
- G01K 7/10Arrangements for compensating for auxiliary variables143
- G01K 7/023Provided with specially adapted connectors140
- G01K 7/028Using microstructures112
- G01K 7/14Arrangements for modifying the output characteristic64
- G01K 7/026Arrangements for signalling failure or disconnection of thermocouples46
- G01K 7/08The object to be measured forming one of the thermoelectric materials43
All 9 subgroupsShow fewer
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Most cited
By later US patents
- Long life high temperature process chamber569US 6,325,858 B1ASM America, Inc. · 2001
- Switch for selectively coupling a sensor or calibration element to a terminal block536US 6,045,260 ARosemount Inc. · 2000
- Calibrated isothermal assembly for a thermocouple thermometer532US 6,293,700 B1Fluke Corporation · 2001
- Heat sensing device529US 4,444,990 AServo Corporation of America · 1984
- Temperature sensing device528US 4,934,831 AClaud S. Gordon Company · 1990