- 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 1/00 - Direct-contact trickle coolers, e.g. cooling towers
Patent holdings for IPC class F28C 1/00
Total number of patents in this class: 288
10-year publication summary
|
21
|
37
|
28
|
28
|
30
|
20
|
24
|
14
|
18
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SPX Cooling Technologies, Inc. | 106 |
16 |
| Prime Datum, Inc. | 23 |
15 |
| Prime Datum Development Company, LLC | 26 |
14 |
| Evapco, Inc. | 287 |
13 |
| Baltimore Aircoil Company, Inc. | 175 |
11 |
| Ecovap, Inc. | 19 |
7 |
| Carrier Corporation | 4348 |
6 |
| Energy & Environmental Research Center Foundation | 56 |
5 |
| Siemens AG | 24505 |
4 |
| Climate Master, Inc. | 35 |
4 |
| Huaneng Clean Energy Research Institute | 432 |
4 |
| Inertech IP LLC | 99 |
4 |
| Carbon Engineering ULC | 45 |
4 |
| LG Electronics Inc. | 72962 |
3 |
| Aggreko, LLC | 23 |
3 |
| Brentwood Industries, Inc. | 110 |
3 |
| Composite Cooling Solutions, L.P. | 16 |
3 |
| Energy and Environmental Research Center Foundation | 36 |
3 |
| Shandong University | 1040 |
3 |
| University of Hull | 70 |
3 |
| Other owners | 160 |