- 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 1/04 - Direct-contact trickle coolers, e.g. cooling towers with cross-current only
Patent holdings for IPC class F28C 1/04
Total number of patents in this class: 52
10-year publication summary
|
9
|
6
|
6
|
4
|
10
|
4
|
5
|
4
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Brentwood Industries, Inc. | 111 |
12 |
| SPX Cooling Technologies, Inc. | 102 |
8 |
| Baltimore Aircoil Company, Inc. | 183 |
5 |
| Evapco, Inc. | 310 |
5 |
| Carbon Engineering ULC | 78 |
4 |
| Energy and Environmental Research Center Foundation | 36 |
3 |
| Mid-American Gunite, Inc. | 27 |
3 |
| BL Technologies, Inc. | 843 |
1 |
| Creative Water Technology Ltd. | 3 |
1 |
| Kobelco Eco-solutions Co., Ltd. | 125 |
1 |
| Kurita Water Industries Ltd. | 1283 |
1 |
| Munters Corporation | 121 |
1 |
| Munters Europe AB | 79 |
1 |
| Toyota Boshoku Kabushiki Kaisha | 1498 |
1 |
| Energy & Environmental Research Center | 1 |
1 |
| Hutech21 Co., Ltd. | 4 |
1 |
| Metso Outotec Finland Oy | 172 |
1 |
| Kuken Industries Co., Ltd. | 1 |
1 |
| Sinro Air-Conditioning (fogang) Co., Ltd. | 1 |
1 |
| Other owners | 0 |