- 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 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: 127
10-year publication summary
|
13
|
10
|
11
|
12
|
6
|
8
|
10
|
5
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Starklab | 20 |
10 |
| Baltimore Aircoil Company, Inc. | 169 |
8 |
| Koch-Glitsch, LP | 195 |
6 |
| Hydramach Limited | 5 |
5 |
| Hydro-Thermal Corporation | 28 |
4 |
| Air Products and Chemicals, Inc. | 1392 |
3 |
| Newsouth Innovations Pty Limited | 593 |
3 |
| Oy Halton Group Ltd. | 134 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3471 |
2 |
| ExxonMobil Chemical Patents Inc. | 4047 |
2 |
| Lawrence Livermore National Security, LLC | 1905 |
2 |
| Knauf Gips KG | 576 |
2 |
| Nortek Air Solutions Canada, Inc. | 121 |
2 |
| Steamex Group Sverige AB | 2 |
2 |
| Technomirai Co., Ltd. | 63 |
2 |
| Zonit Structured Solutions, LLC | 114 |
2 |
| Neo Corporation | 7 |
2 |
| Siemens AG | 24532 |
1 |
| Toyota Motor Corporation | 30988 |
1 |
| Massachusetts Institute of Technology | 9938 |
1 |
| Other owners | 64 |