- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
Patent holdings for IPC class F28F 3/02
Total number of patents in this class: 1217
10-year publication summary
|
131
|
146
|
146
|
152
|
108
|
104
|
83
|
79
|
92
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4712 |
52 |
| Valeo Systemes Thermiques | 2593 |
35 |
| Alfa Laval Corporate AB | 1305 |
31 |
| Modine Manufacturing Company | 297 |
31 |
| Denso Corporation | 23692 |
25 |
| Dana Canada Corporation | 276 |
24 |
| Manufacturing Resources International, Inc. | 477 |
18 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3581 |
17 |
| Raytheon Company | 8441 |
15 |
| MAHLE International GmbH | 2687 |
13 |
| Rtx Corporation | 9069 |
13 |
| International Business Machines Corporation | 60067 |
12 |
| Toyota Motor Corporation | 30292 |
12 |
| Mitsubishi Electric Corporation | 44678 |
11 |
| Huawei Technologies Co., Ltd. | 106382 |
11 |
| Safran Aircraft Engines | 6021 |
10 |
| Behr GmbH & Co. KG | 356 |
9 |
| Cooler Master Co., Ltd. | 207 |
9 |
| Evapco, Inc. | 271 |
9 |
| General Electric Company | 17801 |
8 |
| Other owners | 852 |