- 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 3/16 - 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 the particulate material forming a bed, e.g. fluidised, on vibratory sieves
Patent holdings for IPC class F28C 3/16
Total number of patents in this class: 32
10-year publication summary
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2
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2
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2
|
1
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2
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2
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3
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2
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1
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fluid Technologies (Environmental) Ltd | 7 |
2 |
| KHD Humboldt Wedag GmbH | 192 |
2 |
| Umicore AG & Co. KG | 867 |
2 |
| FLSmidth A/S | 923 |
2 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
2 |
| Siemens AG | 24990 |
1 |
| Alliance for Sustainable Energy, LLC | 698 |
1 |
| AMEC Foster Wheeler Energia Oy | 23 |
1 |
| ArcelorMittal | 1887 |
1 |
| Colorado School of Mines | 164 |
1 |
| Commonwealth Scientific and Industrial Research Organisation | 1652 |
1 |
| FØNS TECHNOLOGY ApS | 1 |
1 |
| G.a.p. S.p.A. | 6 |
1 |
| General Electric Technology GmbH | 1657 |
1 |
| Holcim Technology Ltd. | 868 |
1 |
| IFP Energies Nouvelles | 2717 |
1 |
| Outotec (Finland) Oy | 491 |
1 |
| Primetals Technologies Japan, Ltd. | 143 |
1 |
| The Southern Company | 91 |
1 |
| Technische Universitat Wien | 376 |
1 |
| Other owners | 7 |