- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 23/00 - Features relating to the use of intermediate heat-exchange materials, e.g. selection of compositions
Patent holdings for IPC class F28F 23/00
Total number of patents in this class: 148
10-year publication summary
|
30
|
20
|
19
|
9
|
18
|
15
|
15
|
10
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24544 |
6 |
| Denso Corporation | 24007 |
5 |
| 3m Innovative Properties Company | 17865 |
3 |
| GM Global Technology Operations LLC | 14645 |
3 |
| Dow Silicones Corporation | 1852 |
3 |
| Eavor Technologies Inc. | 86 |
3 |
| Kabushiki Kaisha Toyota Jidoshokki | 1739 |
3 |
| Cold Chain Technologies, LLC | 82 |
3 |
| O'daniels, LLC. | 58 |
3 |
| General Electric Company | 17076 |
2 |
| Toyota Motor Corporation | 30924 |
2 |
| ExxonMobil Research And Engineering Company | 2607 |
2 |
| Pratt & Whitney Canada Corp. | 4477 |
2 |
| Raytheon Company | 8393 |
2 |
| Sumitomo Chemical Company, Limited | 8986 |
2 |
| NGK Insulators, Ltd. | 4853 |
2 |
| Hamilton Sundstrand Corporation | 4802 |
2 |
| Clean Planet Inc. | 70 |
2 |
| Electromotion Energy Corporation | 3 |
2 |
| Google LLC | 41705 |
2 |
| Other owners | 94 |