- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 25/12 - DuctsGuide vanes, e.g. for carrying currents to distinct zones
Patent holdings for IPC class F28F 25/12
Total number of patents in this class: 38
10-year publication summary
|
4
|
6
|
1
|
5
|
5
|
3
|
2
|
5
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Baltimore Aircoil Company, Inc. | 180 |
9 |
| SPX Cooling Technologies, Inc. | 105 |
4 |
| SPG Dry Cooling USA LLC | 16 |
2 |
| JS Creates Pte. Ltd. | 2 |
2 |
| Whirlpool Corporation | 4589 |
1 |
| Hamilton Sundstrand Corporation | 5017 |
1 |
| Alfa Laval Corporate AB | 1332 |
1 |
| Energy and Environmental Research Center Foundation | 36 |
1 |
| Energy & Environmental Research Center Foundation | 54 |
1 |
| Galebreaker Group Ltd | 11 |
1 |
| GbR Industries Ltd | 1 |
1 |
| GEA Energietechnik GmbH | 12 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2835 |
1 |
| Kernkraftwerk Leibstadt AG | 1 |
1 |
| Medical Instrument Development Laboratories, Inc. | 34 |
1 |
| Saudi Arabian Oil Company | 13949 |
1 |
| TRUMPF Laser- und Systemtechnik GmbH | 526 |
1 |
| Nanjing Ruiqihuang Electronic Technology Co., Ltd. | 2 |
1 |
| Kernkraftwerk Gösgen-Däniken AG | 12 |
1 |
| Energy & Environmental Research Center | 1 |
1 |
| Other owners | 5 |