- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 13/14 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by endowing the walls of conduits with zones of different degrees of conduction of heat
Patent holdings for IPC class F28F 13/14
Total number of patents in this class: 95
10-year publication summary
|
14
|
11
|
7
|
12
|
12
|
7
|
8
|
2
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyliion Holdings Corp. | 37 |
14 |
| Toyota Motor Corporation | 35857 |
4 |
| The Boeing Company | 20168 |
3 |
| Mitsubishi Electric Corporation | 48097 |
3 |
| Alfa Laval Corporate AB | 1340 |
3 |
| Zehnder Group International AG | 396 |
3 |
| Malta Inc. | 105 |
3 |
| Flexit Sverige AB | 3 |
3 |
| Denso Corporation | 25607 |
2 |
| Johnson Controls Technology Company | 1384 |
2 |
| The Furukawa Electric Co., Ltd. | 3700 |
2 |
| Bio-Rad Laboratories, Inc. | 1612 |
2 |
| Donaldson Company, Inc. | 1606 |
2 |
| Rocket Lab USA, Inc. | 45 |
2 |
| Aavid Thermal Corp. | 19 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3397 |
1 |
| Honeywell International Inc. | 12773 |
1 |
| NEC Corporation | 37064 |
1 |
| Centre National de La Recherche Scientifique | 11042 |
1 |
| Airbus Operations GmbH | 3449 |
1 |
| Other owners | 40 |