- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 74
10-year publication summary
|
7
|
7
|
10
|
12
|
9
|
10
|
5
|
5
|
6
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Evapco, Inc. | 244 |
8 |
| Aggreko, LLC | 23 |
6 |
| Gradiant Corporation | 123 |
4 |
| Coflo Technologies LLC | 4 |
4 |
| SPX Cooling Technologies, Inc. | 115 |
3 |
| Carrier Corporation | 4759 |
2 |
| Baltimore Aircoil Company, Inc. | 156 |
2 |
| Climespace | 4 |
2 |
| Fluid Technologies (Environmental) Ltd | 7 |
2 |
| Harold D. Curtis Revocable Trust | 3 |
2 |
| INEOS Europe AG | 188 |
2 |
| Koch-Glitsch, LP | 204 |
2 |
| Woodside Energy Technologies Pty Ltd. | 67 |
2 |
| Siemens AG | 24990 |
1 |
| LG Electronics Inc. | 69257 |
1 |
| ExxonMobil Research And Engineering Company | 2830 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Massachusetts Institute of Technology | 9795 |
1 |
| Kao Corporation | 4843 |
1 |
| Amertech Towerservices, LLC | 1 |
1 |
| Other owners | 26 |