- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 25/28 - 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 on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly
Patent holdings for IPC class G01N 25/28
Total number of patents in this class: 22
10-year publication summary
|
2
|
1
|
3
|
1
|
4
|
4
|
0
|
1
|
0
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| China University of Petroleum (East China) | 389 |
2 |
| Precision Combustion, Inc. | 106 |
2 |
| The Boeing Company | 20052 |
1 |
| GM Global Technology Operations LLC | 15421 |
1 |
| Hyundai Motor Company | 22888 |
1 |
| Kia Motors Corporation | 7743 |
1 |
| Air Products and Chemicals, Inc. | 1452 |
1 |
| Anton Paar ProveTec GmbH | 12 |
1 |
| Berkin B.V. | 95 |
1 |
| Control Instruments Corporation | 7 |
1 |
| Rosemount Inc. | 1195 |
1 |
| Baker Hughes Oilfield Operations, LLC | 2395 |
1 |
| Seoul National University R&db Foundation | 3799 |
1 |
| Dansk Brand- og sikringsteknisk Institut | 5 |
1 |
| Changsha Kaiyuan Instruments Co., Ltd | 1 |
1 |
| Suez Treatment Solitions Canada L.P. | 1 |
1 |
| Multicore Technologies, LLC | 1 |
1 |
| LG Energy Solution, Ltd. | 16089 |
1 |
| Guangdong South China Intelligent Pipeline Research Institute | 3 |
1 |
| Pipechina South China Company | 3 |
1 |
| Other owners | 0 |