- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28C - Heat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media come into direct contact without chemical interaction
- F28C 1/02 - Direct-contact trickle coolers, e.g. cooling towers with counter-current only
Patent holdings for IPC class F28C 1/02
Total number of patents in this class: 87
10-year publication summary
|
10
|
12
|
9
|
10
|
7
|
5
|
7
|
4
|
8
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evapco, Inc. | 311 |
11 |
| Aggreko, LLC | 21 |
6 |
| Baltimore Aircoil Company, Inc. | 183 |
4 |
| Gradiant Corporation | 147 |
4 |
| Coflo Technologies LLC | 4 |
4 |
| Energy and Environmental Research Center Foundation | 36 |
3 |
| Harold D. Curtis Revocable Trust | 5 |
3 |
| SPX Cooling Technologies, Inc. | 104 |
3 |
| Carrier Corporation | 3964 |
2 |
| Fluid Technologies (Environmental) Ltd | 8 |
2 |
| Huaneng Clean Energy Research Institute | 509 |
2 |
| INEOS Europe AG | 210 |
2 |
| Koch-Glitsch, LP | 198 |
2 |
| Smith & Nephew, Inc. | 2639 |
2 |
| Woodside Energy Technologies Pty Ltd. | 72 |
2 |
| Huaneng Shandong Power Generation Co., Ltd. Zotye Power Plant | 49 |
2 |
| Huaneng Linyi Power Generation Co., Ltd | 45 |
2 |
| Siemens AG | 24064 |
1 |
| LG Electronics Inc. | 75561 |
1 |
| ExxonMobil Research And Engineering Company | 2438 |
1 |
| Other owners | 28 |