- 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 3/16 - 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: 33
10-year publication summary
|
2
|
1
|
2
|
2
|
3
|
2
|
1
|
0
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Buffer Solutions Oy | 7 |
4 |
| Fluid Technologies (Environmental) Ltd | 8 |
2 |
| Umicore AG & Co. KG | 843 |
2 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3304 |
2 |
| Siemens AG | 23913 |
1 |
| AMEC Foster Wheeler Energia Oy | 23 |
1 |
| ArcelorMittal | 2749 |
1 |
| Commonwealth Scientific and Industrial Research Organisation | 1650 |
1 |
| G.a.p. S.p.A. | 7 |
1 |
| Holcim Technology Ltd. | 487 |
1 |
| IFP Energies Nouvelles | 3122 |
1 |
| KHD Humboldt Wedag GmbH | 194 |
1 |
| Outotec (Finland) Oy | 455 |
1 |
| Primetals Technologies Japan, Ltd. | 182 |
1 |
| The Southern Company | 88 |
1 |
| Technische Universitat Wien | 404 |
1 |
| ThyssenKrupp AG | 3328 |
1 |
| National Technology & Engineering Solutions of Sandia, LLC | 1955 |
1 |
| FLSmidth A/S | 786 |
1 |
| ThyssenKrupp Fertilizer Technology GmbH | 36 |
1 |
| Other owners | 7 |