- 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 3/06 - Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
Patent holdings for IPC class F28C 3/06
Total number of patents in this class: 123
10-year publication summary
13
|
13
|
10
|
11
|
12
|
6
|
8
|
9
|
3
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Starklab | 20 |
10 |
Baltimore Aircoil Company, Inc. | 156 |
8 |
Koch-Glitsch, LP | 204 |
6 |
Hydramach Limited | 5 |
5 |
Air Products and Chemicals, Inc. | 1448 |
4 |
Hydro-Thermal Corporation | 28 |
4 |
Newsouth Innovations Pty Limited | 567 |
3 |
Oy Halton Group Ltd. | 147 |
3 |
Shell Internationale Research Maatschappij B.V. | 3792 |
2 |
Krude Innovations Ltd | 2 |
2 |
Nortek Air Solutions Canada, Inc. | 114 |
2 |
Steamex Group Sverige AB | 2 |
2 |
Technomirai Co., Ltd. | 65 |
2 |
Zonit Structured Solutions, LLC | 111 |
2 |
Neo Corporation | 7 |
2 |
Siemens AG | 24990 |
1 |
Toyota Motor Corporation | 28582 |
1 |
Robert Bosch GmbH | 40953 |
1 |
Massachusetts Institute of Technology | 9795 |
1 |
Alstom Technology Ltd | 1196 |
1 |
Other owners | 61 |