G01N 25/02
Investigating or analyzing materials by the use of thermal means: by investigating
Official title: by investigating changes of state or changes of phase; by investigating sintering {(investigating or analysing oils or hydrocarbon fluids by measuring cloud point or pour point G01N33/2811)}
G01N25/02 (Investigating or analyzing materials by the use of thermal means: by investigating) appears on 367 US grants and 301 published applications in this corpus.
Search patents in G01N- Granted patents
- 367
- Published applications
- 301
- Assignees
- 328
- Inventors
- 1,000
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 10 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 11 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 3 |
| 2003 | 6 | 11 |
| 2004 | 7 | 7 |
| 2005 | 2 | 10 |
| 2006 | 4 | 5 |
| 2007 | 6 | 4 |
| 2008 | 3 | 3 |
| 2009 | 4 | 5 |
| 2010 | 3 | 8 |
| 2011 | 4 | 5 |
| 2012 | 4 | 14 |
| 2013 | 5 | 12 |
| 2014 | 7 | 16 |
| 2015 | 11 | 15 |
| 2016 | 8 | 13 |
| 2017 | 12 | 29 |
| 2018 | 12 | 22 |
| 2019 | 21 | 18 |
| 2020 | 25 | 19 |
| 2021 | 20 | 20 |
| 2022 | 23 | 10 |
| 2023 | 14 | 17 |
| 2024 | 11 | 6 |
| 2025 | 11 | 15 |
| 2026 | 9 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- PVT cell embedded with porous media for reservoir fluid analysis28 Jul 2026US 12,693,198 B2Kuwait University
- Device and method for detecting curie temperature of permanent magnet material23 Jun 2026US 12,663,390 B2China Jiliang University
- Methods and systems for isochoric measurements using differential scanning calorimetry16 Jun 2026US 12,656,283 B2University of Wyoming
- Small volume system and methods of evaluating the stability of biopharmaceutical compositions9 Jun 2026US 12,650,394 B2Sartorius Stedim North America Inc.
- Partition-free digital PCR (dPCR) system19 May 2026US 12,630,870 B2Canon Virginia, Inc.
- Nanoscale thermometry for latent heat measurement10 Sep 2026US 2026/0266749 A1University of Virginia Patent Foundation
- In-line solids deposition sensor6 Aug 2026US 2026/0227352 A1The University of Western Australia
- Cloud point measuring apparatus for silicone surfactant30 Jul 2026US 2026/0219219 A1Jiangsu Hengguang New Material Co., Ltd.
- Pvt cell embedded with porous media for reservoir fluid analysis23 Jul 2026US 2026/0210826 A1Kuwait University
- Electro-magnetic-thermal monitoring systems and related methods23 Jul 2026US 2026/0210888 A1Battelle Energy Alliance, LLC
Most cited
By later US patents
- Method and a device for thermal analysis of cast iron475US 7,168,852 B2SinterCast AB · 2007
- Apparatus for determining the freezing point of a liquid65US 3,986,385 ARosemount Engineering Company Limited · 1976
- Needle assembly63US 7,549,978 B2Symyx Technologies, Inc. · 2009
- Method and apparatus for evaporating multi-component liquids56US 7,070,121 B2S. C. Johnson & Son, Inc. · 2006
- Methods and apparatus for the downhole characterization of formation fluids56US 7,526,953 B2Schlumberger Technology Corporation · 2009