- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28D - Heat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contactheat storage plants or apparatus in general
- F28D 17/04 - Distributing arrangements for the heat-exchange media
Patent holdings for IPC class F28D 17/04
Total number of patents in this class: 79
10-year publication summary
|
5
|
11
|
11
|
8
|
9
|
2
|
10
|
5
|
6
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Malta Inc. | 124 |
8 |
| Siemens Gamesa Renewable Energy A/S | 1898 |
4 |
| The Regents of the University of California | 20108 |
3 |
| Kyungdong Navien Co., Ltd. | 618 |
3 |
| Durr Systems, Inc. | 111 |
2 |
| Echogen Power Systems, LLC | 63 |
2 |
| Ice Industrial Properties B.V. | 4 |
2 |
| Kraftanlagen Munchen GmbH | 10 |
2 |
| Durr Systems AG | 371 |
2 |
| Siemens Gamesa Renewable Energy GmbH & Co. KG | 40 |
2 |
| Cellomatic AB | 2 |
2 |
| Siemens Energy Global GmbH & Co. KG | 3026 |
2 |
| Phasestor, LLC | 34 |
2 |
| Siemens AG | 24352 |
1 |
| Applied Materials, Inc. | 18932 |
1 |
| Raytheon Company | 8395 |
1 |
| Massachusetts Institute of Technology | 10115 |
1 |
| Lockheed Martin Corporation | 3269 |
1 |
| NGK Insulators, Ltd. | 5103 |
1 |
| Hamilton Sundstrand Corporation | 4923 |
1 |
| Other owners | 36 |