G01N 25/00
Investigating or analyzing materials by the use of thermal means
Official title: Investigating or analyzing materials by the use of thermal means (G01N3/00 - G01N23/00 take precedence)
G01N25/00 (Investigating or analyzing materials by the use of thermal means) appears on 4,303 US grants and 3,958 published applications in this corpus.
Search patents in G01N- Granted patents
- 4,303
- Published applications
- 3,958
- Assignees
- 2,528
- Inventors
- 10,703
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 36 | 0 |
| 1977 | 38 | 0 |
| 1978 | 40 | 0 |
| 1979 | 27 | 0 |
| 1980 | 40 | 0 |
| 1981 | 46 | 0 |
| 1982 | 38 | 0 |
| 1983 | 38 | 0 |
| 1984 | 36 | 0 |
| 1985 | 42 | 0 |
| 1986 | 49 | 0 |
| 1987 | 37 | 0 |
| 1988 | 50 | 0 |
| 1989 | 76 | 0 |
| 1990 | 58 | 0 |
| 1991 | 63 | 0 |
| 1992 | 56 | 0 |
| 1993 | 51 | 0 |
| 1994 | 54 | 0 |
| 1995 | 44 | 0 |
| 1996 | 41 | 0 |
| 1997 | 42 | 0 |
| 1998 | 61 | 0 |
| 1999 | 55 | 0 |
| 2000 | 54 | 0 |
| 2001 | 52 | 24 |
| 2002 | 95 | 85 |
| 2003 | 79 | 95 |
| 2004 | 76 | 93 |
| 2005 | 59 | 106 |
| 2006 | 78 | 88 |
| 2007 | 58 | 100 |
| 2008 | 76 | 105 |
| 2009 | 70 | 74 |
| 2010 | 73 | 103 |
| 2011 | 52 | 86 |
| 2012 | 64 | 101 |
| 2013 | 77 | 147 |
| 2014 | 105 | 180 |
| 2015 | 99 | 226 |
| 2016 | 144 | 203 |
| 2017 | 179 | 246 |
| 2018 | 193 | 277 |
| 2019 | 239 | 249 |
| 2020 | 258 | 249 |
| 2021 | 202 | 208 |
| 2022 | 194 | 195 |
| 2023 | 160 | 173 |
| 2024 | 165 | 201 |
| 2025 | 163 | 195 |
| 2026 | 121 | 149 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 25/72Investigating presence of flaws1,013
- G01N 25/20Investigating or analyzing materials by the use of thermal means: by investigating1,003
- G01N 25/18Investigating or analyzing materials by the use of thermal means: by investigating874
- G01N 25/56Investigating or analyzing materials by the use of thermal means: by investigating527
- G01N 25/02Investigating or analyzing materials by the use of thermal means: by investigating367
- G01N 25/14Investigating or analyzing materials by the use of thermal means: by using206
- G01N 25/16Investigating or analyzing materials by the use of thermal means: by investigating120
- G01N 25/50Investigating or analyzing materials by the use of thermal means: by investigating115
All 9 subgroupsShow fewer
Recent patents
- Thermal analysis system6 Oct 2026US 12,754,111 B2Shimadzu Corporation
- 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
- Method for judging aging degree of insulation of XLPE cable connector based on dynamic heat source29 Sep 2026US 12,748,064 B2China Huaneng Renewables Corporation Limited, Hubei
- System for deicing black ice on road surface using invisible light based on AI29 Sep 2026US 12,749,781 B2Srd Korea Co., Ltd.
- Device and method for detecting a corrosive ambient atmosphere in a protective housing22 Sep 2026US 12,742,743 B2Turck Holding GmbH
- Method for determining a flow rate of a fluid independent of the thermal properties of the fluid8 Oct 2026US 2026/0309527 A1Berkin B.V.
- Gas sensor8 Oct 2026US 2026/0309656 A1TDK Corporation
- Tire failure determination method and tire failure determination apparatus8 Oct 2026US 2026/0309657 A1Bridgestone Corporation
- Method to detect presence of liquid formation on a camera lens1 Oct 2026US 2026/0298726 A1TORC Robotics, Inc.
- Apparatus, method, and system for measuring thermal conductivity of secondary battery using detachable jig1 Oct 2026US 2026/0298852 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Implantable microelectronic biochemical sensor incorporating thin film thermopile690US 4,935,345 AArizona Board of Regents · 1990
- Method and a device for thermal analysis of cast iron475US 7,168,852 B2SinterCast AB · 2007
- Protein crystallization in microfluidic structures458US 6,409,832 B2Micronics, Inc. · 2002
- Analytical methods and apparatus for measuring the oil content of sponge core286US 4,866,983 AShell Oil Company · 1989
- High temperature continuous viscometry coupled with analytic temperature rising elution fractionation for evaluating crystalline and semi-crystalline polymers272US 4,798,081 AThe Dow Chemical Company · 1989