- 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 3/12 - Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid
Patent holdings for IPC class F28C 3/12
Total number of patents in this class: 30
10-year publication summary
|
2
|
3
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5
|
2
|
6
|
3
|
1
|
0
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1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Calix Ltd | 92 |
4 |
| Oqab Dietrich Induction Inc. | 71 |
2 |
| Jetcool Technologies, Inc. | 39 |
2 |
| April Pty Ltd | 10 |
2 |
| Massachusetts Institute of Technology | 10209 |
1 |
| Microsoft Technology Licensing, LLC | 54275 |
1 |
| Purdue Research Foundation | 3861 |
1 |
| Alliance for Sustainable Energy, LLC | 305 |
1 |
| AMEC Foster Wheeler Energia Oy | 23 |
1 |
| Dowa Thermotech Co., Ltd. | 54 |
1 |
| IFP Energies Nouvelles | 3038 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4066 |
1 |
| Linde Aktiengesellschaft | 1432 |
1 |
| SABIC Global Technologies B.V. | 4498 |
1 |
| Sumitomo Metal Mining Co., Ltd. | 1939 |
1 |
| ThyssenKrupp Industrial Solutions AG | 630 |
1 |
| ThyssenKrupp Uhde GmbH | 376 |
1 |
| Vomm Impianti e Processi S.p.A. | 24 |
1 |
| Haffner Energy | 44 |
1 |
| U.S. Bank Trust Co National Association | 75 |
1 |
| Other owners | 4 |