G01N 25/20
Investigating or analyzing materials by the use of thermal means: by investigating
Official title: by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity (calorimeters per se G01K)
G01N25/20 (Investigating or analyzing materials by the use of thermal means: by investigating) appears on 1,003 US grants and 963 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,003
- Published applications
- 963
- Assignees
- 692
- Inventors
- 2,656
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 9 | 0 |
| 1979 | 10 | 0 |
| 1980 | 5 | 0 |
| 1981 | 12 | 0 |
| 1982 | 12 | 0 |
| 1983 | 9 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 0 | 0 |
| 1988 | 8 | 0 |
| 1989 | 13 | 0 |
| 1990 | 8 | 0 |
| 1991 | 9 | 0 |
| 1992 | 14 | 0 |
| 1993 | 11 | 0 |
| 1994 | 15 | 0 |
| 1995 | 8 | 0 |
| 1996 | 14 | 0 |
| 1997 | 9 | 0 |
| 1998 | 16 | 0 |
| 1999 | 13 | 0 |
| 2000 | 12 | 0 |
| 2001 | 18 | 9 |
| 2002 | 33 | 25 |
| 2003 | 24 | 21 |
| 2004 | 11 | 15 |
| 2005 | 14 | 26 |
| 2006 | 14 | 18 |
| 2007 | 11 | 28 |
| 2008 | 21 | 28 |
| 2009 | 19 | 22 |
| 2010 | 22 | 19 |
| 2011 | 13 | 21 |
| 2012 | 12 | 21 |
| 2013 | 15 | 31 |
| 2014 | 23 | 34 |
| 2015 | 18 | 42 |
| 2016 | 28 | 38 |
| 2017 | 36 | 62 |
| 2018 | 40 | 93 |
| 2019 | 64 | 69 |
| 2020 | 74 | 53 |
| 2021 | 50 | 61 |
| 2022 | 36 | 57 |
| 2023 | 44 | 39 |
| 2024 | 45 | 48 |
| 2025 | 49 | 49 |
| 2026 | 27 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reactor and method commonly applicable for high-pressure in-situ DSC and neutron tests of gas hydrate6 Oct 2026US 12,754,155 B2Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences
- In situ concentration of hydrocarbons in rock22 Sep 2026US 12,742,768 B2Saudi Arabian Oil Company
- Massive differential scanning calorimetry analysis method and apparatus8 Sep 2026US 12,730,082 B2Veridis Technologies B.V.
- Continuous flow calorimeter systems and related methods11 Aug 2026US 12,704,419 B2
- Heating adiabatic calorimeter and methods of use23 Jun 2026US 12,663,322 B2OmniCal, Inc.
- Ai-enhanced acoustic analysis system for coin authenticity verification and counterfeit detection using convolutional neural networks and spectrogram processing1 Oct 2026US 2026/0301499 A1
- Evaluation system and predictive methodology for sedimentary microfacies of shale oil sweet spots in saline, hydrocarbon-rich lacustrine basin17 Sep 2026US 2026/0276568 A1Chengdu University of Technology
- Optical fiber gas sensor27 Aug 2026US 2026/0251578 A1Cmiws Co., Ltd.
- Physical quantity measurement system20 Aug 2026US 2026/0243619 A1Panasonic Intellectual Property Management Co., Ltd.
- System for testing the viability for gene bank conservation of plant genetic resources and/or for the identification and separation of varieties/groups of varieties, the related method and use thereof6 Aug 2026US 2026/0227353 A1Nemzeti BiodiverzitáS éS GéNmegorzéSi KöZpont
Most cited
By later US patents
- Implantable microelectronic biochemical sensor incorporating thin film thermopile690US 4,935,345 AArizona Board of Regents · 1990
- Mass spectrometers and methods for rapid screening of libraries of different materials218US 5,959,297 ASymyx Technologies, Inc. · 1999
- SO.sub.2 sensor181US 5,338,515 ACatalytica, Inc. · 1994
- Optical systems and methods for rapid screening of libraries of different materials125US 6,034,775 ASymyx Technologies, Inc. · 2000
- Systems and methods for characterization of materials and combinatorial libraries with mechanical oscillators117US 6,182,499 B2Symyx Technologies, Inc. · 2001