- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 25/18 - Investigating or analysing materials by the use of thermal means by investigating thermal conductivity
Patent holdings for IPC class G01N 25/18
Total number of patents in this class: 1117
10-year publication summary
|
67
|
78
|
75
|
93
|
70
|
79
|
68
|
85
|
91
|
47
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 25513 |
13 |
| Schlumberger Canada Limited | 7606 |
11 |
| Schlumberger Technology B.v. | 5298 |
11 |
| Infineon Technologies AG | 8400 |
11 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11127 |
11 |
| Omron Corporation | 7358 |
11 |
| Shimadzu Corporation | 6337 |
11 |
| Services Petroliers Schlumberger | 6024 |
11 |
| Schlumberger Technology Corporation | 11798 |
10 |
| Schlumberger Holdings Limited | 2702 |
10 |
| Halliburton Energy Services, Inc. | 21320 |
10 |
| Nevada Nanotech Systems Inc. | 29 |
10 |
| Prad Research and Development Limited | 2662 |
10 |
| Siemens AG | 24033 |
9 |
| Toshiba Corporation | 12548 |
9 |
| Robert Bosch GmbH | 44128 |
9 |
| DEKA Products Limited Partnership | 1886 |
9 |
| Flusso Limited | 38 |
9 |
| Honeywell International Inc. | 12778 |
8 |
| Hitachi Automotive Systems, Ltd. | 3954 |
8 |
| Other owners | 916 |