- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 25/22 - 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
Patent holdings for IPC class G01N 25/22
Total number of patents in this class: 90
10-year publication summary
|
7
|
7
|
4
|
3
|
4
|
5
|
10
|
9
|
7
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyundai Motor Company | 24602 |
3 |
| Dräger Safety AG & Co. KGaA | 470 |
3 |
| Kia Corporation | 12346 |
3 |
| Innogized Techologies Inc. | 3 |
3 |
| Toyota Motor Corporation | 35680 |
2 |
| Fujitsu Limited | 16862 |
2 |
| Azbil Corporation | 473 |
2 |
| Don Whitley Scientific Limited | 14 |
2 |
| KOA Corporation | 427 |
2 |
| Leco Corporation | 198 |
2 |
| Nevada Nanotech Systems Inc. | 29 |
2 |
| Northwest University | 42 |
2 |
| Mianyang Material Science Instrument Limited Company | 2 |
2 |
| Honda Motor Co., Ltd. | 26008 |
1 |
| The Boeing Company | 20160 |
1 |
| Honeywell International Inc. | 12778 |
1 |
| Samsung SDI Co., Ltd. | 10556 |
1 |
| TDK Corporation | 6855 |
1 |
| Continental Automotive GmbH | 4507 |
1 |
| Rolls-Royce PLC | 3219 |
1 |
| Other owners | 53 |