- 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 3/00 - Other direct-contact heat-exchange apparatus
Patent holdings for IPC class F28C 3/00
Total number of patents in this class: 64
10-year publication summary
|
5
|
7
|
2
|
8
|
5
|
4
|
7
|
5
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20048 |
5 |
| Honeywell International Inc. | 13531 |
2 |
| Hon Hai Precision Industry Co., Ltd. | 4040 |
2 |
| Tsinghua University | 5907 |
2 |
| Koch-Glitsch, LP | 195 |
2 |
| MAHLE Behr GmbH & Co. KG | 49 |
2 |
| Phillips 66 Company | 1056 |
2 |
| Rebound Technologies, Inc. | 31 |
2 |
| Valeo Systemes Thermiques | 2723 |
2 |
| Robert Bosch GmbH | 42647 |
1 |
| Tokyo Electron Limited | 12681 |
1 |
| NGK Insulators, Ltd. | 4945 |
1 |
| Alstom Technology Ltd | 1108 |
1 |
| Hamilton Sundstrand Corporation | 4860 |
1 |
| Nippon Telegraph and Telephone Corporation | 17303 |
1 |
| Agency for Science, Technology and Research | 3610 |
1 |
| Purdue Research Foundation | 3593 |
1 |
| Advanced Green Technologies, LLC | 47 |
1 |
| Alliance for Sustainable Energy, LLC | 797 |
1 |
| AMEC Foster Wheeler Energia Oy | 23 |
1 |
| Other owners | 32 |