G01K
Measuring temperature
Official title: Measuring temperature; measuring quantity of heat; thermally-sensitive elements not otherwise provided for (radiation pyrometry g01j5/00)
G01K (Measuring temperature) appears on 17,912 US grants and 17,941 published applications in this corpus.
Search patents in G01K- Granted patents
- 17,912
- Published applications
- 17,941
- Assignees
- 7,064
- Inventors
- 38,993
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 205 | 0 |
| 1977 | 185 | 0 |
| 1978 | 176 | 0 |
| 1979 | 154 | 0 |
| 1980 | 148 | 0 |
| 1981 | 155 | 0 |
| 1982 | 133 | 0 |
| 1983 | 130 | 0 |
| 1984 | 166 | 0 |
| 1985 | 144 | 0 |
| 1986 | 156 | 0 |
| 1987 | 145 | 0 |
| 1988 | 168 | 0 |
| 1989 | 183 | 0 |
| 1990 | 134 | 0 |
| 1991 | 171 | 0 |
| 1992 | 167 | 0 |
| 1993 | 147 | 0 |
| 1994 | 132 | 0 |
| 1995 | 117 | 0 |
| 1996 | 110 | 0 |
| 1997 | 163 | 0 |
| 1998 | 217 | 0 |
| 1999 | 175 | 0 |
| 2000 | 229 | 0 |
| 2001 | 228 | 49 |
| 2002 | 194 | 240 |
| 2003 | 243 | 295 |
| 2004 | 235 | 387 |
| 2005 | 248 | 374 |
| 2006 | 301 | 440 |
| 2007 | 256 | 433 |
| 2008 | 281 | 502 |
| 2009 | 313 | 530 |
| 2010 | 359 | 476 |
| 2011 | 326 | 459 |
| 2012 | 396 | 508 |
| 2013 | 377 | 577 |
| 2014 | 447 | 767 |
| 2015 | 513 | 876 |
| 2016 | 616 | 897 |
| 2017 | 766 | 851 |
| 2018 | 819 | 981 |
| 2019 | 933 | 1117 |
| 2020 | 919 | 1127 |
| 2021 | 840 | 1250 |
| 2022 | 967 | 1186 |
| 2023 | 944 | 1058 |
| 2024 | 925 | 990 |
| 2025 | 809 | 869 |
| 2026 | 647 | 702 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- G01K 7/00Measuring temperature based on the use of electric or magnetic elements directly6,750
- G01K 1/00Details of thermometers not specially adapted for particular types of thermometer5,564
- G01K 13/00Thermometers specially adapted for specific purposes4,730
- G01K 11/00Measuring temperature based upon physical or chemical changes not covered by groups3,502
- G01K 3/00Thermometers giving results other than momentary value of temperature2,301
- G01K 15/00Testing or calibrating of thermometers1,090
- G01K 17/00Measuring quantity of heat921
- G01K 5/00Measuring temperature based on the expansion or contraction of a material555
All 19 main groupsShow fewer
- G01K 2207/00Application of thermometers in household appliancesIndexing code509
- G01K 2205/00Application of thermometers in motorsIndexing code482
- G01K 2217/00Temperature measurement using electric or magnetic components already present in the systemIndexing code271
- G01K 2219/00Thermometers with dedicated analog to digital convertersIndexing code263
- G01K 2213/00Temperature mappingIndexing code196
- G01K 2215/00Details concerning sensor power supplyIndexing code161
- G01K 2201/00Application of thermometers in air-conditioning systemsIndexing code148
- G01K 2203/00Application of thermometers in cryogenicsIndexing code81
- G01K 2211/00Thermometers based on nanotechnologyIndexing code76
- G01K 19/00Testing or calibrating calorimeters37
- G01K 9/00Measuring temperature based on movements caused by redistribution of weight3
Recent patents
- Apparatus for an aerosol generating device6 Oct 2026US 12,751,497 B2Nicoventures Trading Limited
- Cooking apparatus with inner pan suspended within outer pan6 Oct 2026US 12,751,573 B2
- Method and apparatus for determining electric vehicle charging inlet terminal temperature6 Oct 2026US 12,752,657 B2Aptiv Technologies AG
- Method for controlling a flux distribution of evaporated source material, detector for measuring electromagnetic radiation reflected on a source surface and system for thermal evaporation with electromagnetic radiation6 Oct 2026US 12,753,487 B2Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Calorimetry method to measure chemical reaction heat in ALD/ALE processes using temperature-sensitive resistance coatings6 Oct 2026US 12,753,510 B2Uchicago Argonne, LLC
- Fiber-optical sensor system for data to facilitate, plan, localize, monitor, or confirm ablation procedures8 Oct 2026US 2026/0306158 A1
- Remote structure temperature monitor8 Oct 2026US 2026/0309553 A1Matergenics, Inc.
- Temperature sensor and device including temperature sensor8 Oct 2026US 2026/0309554 A1SEMITEC Corporation
- Differential power compensation type battery isothermal calorimeter and dynamic characteristic correction method8 Oct 2026US 2026/0309555 A1China Jiliang University
- Shunt module, current acquisition system, current acquisition circuit, and vehicle8 Oct 2026US 2026/0309791 A1Contemporary Amperex Runzhi Software Technology Limited
Most cited
By later US patents
- Device for computer-assisted monitoring of the body1,790US 5,050,612 A1991
- Wireless event-recording device with identification codes1,687US 6,806,808 B1SRI International · 2004
- Apparatus and method for measuring biologic parameters1,280US 7,187,960 B22007
- Non-invasive temperature monitoring device1,276US 8,663,106 B2BodyMedia, Inc. · 2014
- Temperature sensor with flexible circuit substrate1,239US 6,588,931 B2Delphi Technologies, Inc. · 2003