- 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
|
28
|
19
|
18
|
7
|
16
|
13
|
14
|
9
|
6
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24333 |
6 |
| Denso Corporation | 24783 |
5 |
| 3m Innovative Properties Company | 17730 |
3 |
| GM Global Technology Operations LLC | 15372 |
3 |
| Hamilton Sundstrand Corporation | 4954 |
3 |
| Dow Silicones Corporation | 1985 |
3 |
| Eavor Technologies Inc. | 94 |
3 |
| Kabushiki Kaisha Toyota Jidoshokki | 1789 |
3 |
| Cold Chain Technologies, LLC | 89 |
3 |
| O'daniels, LLC. | 60 |
3 |
| General Electric Company | 13840 |
2 |
| Toyota Motor Corporation | 33440 |
2 |
| ExxonMobil Research And Engineering Company | 2537 |
2 |
| Pratt & Whitney Canada Corp. | 4896 |
2 |
| Raytheon Company | 8445 |
2 |
| Sumitomo Chemical Company, Limited | 9109 |
2 |
| NGK Insulators, Ltd. | 5144 |
2 |
| Clean Planet Inc. | 77 |
2 |
| Electromotion Energy Corporation | 3 |
2 |
| Google LLC | 43094 |
2 |
| Other owners | 93 |