- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 25/20 - Investigating or analysing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
Patent holdings for IPC class G01N 25/20
Total number of patents in this class: 483
10-year publication summary
|
34
|
42
|
42
|
39
|
35
|
43
|
41
|
27
|
29
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NETZSCH-Gerätebau GmbH | 132 |
11 |
| Hitachi High-Tech Science Corporation | 324 |
6 |
| Mettler-Toledo GmbH | 502 |
6 |
| QuipIP, LLC | 64 |
6 |
| Tusas- Turk Havacilik ve Uzay Sanayii Anonim Sirketi | 271 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 30903 |
5 |
| South China Sea Institute of Oceanology, Chinese Academy of Sciences | 66 |
5 |
| Waters Technologies Corporation | 1689 |
5 |
| Xerox Corporation | 7028 |
4 |
| The United States of America as represented by the Secretary of the Navy | 2736 |
4 |
| Nanjing University | 715 |
4 |
| National Technology & Engineering Solutions of Sandia, LLC | 1888 |
4 |
| Malvern PANalytical Inc. | 39 |
4 |
| Dokuz Eylul Universitesi Rektorlugu | 75 |
4 |
| Wuhan JOULE Yacht Science & Technology Co., Ltd. | 4 |
4 |
| Siemens AG | 24568 |
3 |
| Mitsubishi Electric Corporation | 45752 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10818 |
3 |
| Tsinghua University | 5826 |
3 |
| The Trustees of Columbia University in the City of New York | 3558 |
3 |
| Other owners | 390 |