- 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 19/02 - Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using granular particles
Patent holdings for IPC class F28D 19/02
Total number of patents in this class: 57
10-year publication summary
|
2
|
5
|
1
|
3
|
7
|
3
|
4
|
3
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hydrostor Inc. | 58 |
8 |
| InEnTec Inc. | 37 |
5 |
| IHI Corporation | 3451 |
3 |
| Magaldi Power S.p.A. | 36 |
3 |
| Institut National Polytechnique de Toulouse (inpt) | 24 |
2 |
| REG Synthetic Fuels, LLC | 71 |
2 |
| National Technology & Engineering Solutions of Sandia, LLC | 1911 |
2 |
| Oqab Dietrich Induction Inc. | 60 |
2 |
| April Pty Ltd | 10 |
2 |
| Centre National de La Recherche Scientifique | 10531 |
1 |
| Ford Global Technologies, LLC | 20701 |
1 |
| Whirlpool Corporation | 4441 |
1 |
| Alliance for Sustainable Energy, LLC | 810 |
1 |
| Applikations-und Technikzentrum fur Energieverfahrens-Umwelt-und Stromungstechnik (ATZ-EVUS) | 1 |
1 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2185 |
1 |
| Commonwealth Scientific and Industrial Research Organisation | 1663 |
1 |
| GKN Sinter Metals Engineering GmbH | 114 |
1 |
| Holcim Technology Ltd. | 778 |
1 |
| Isentropic Limited | 24 |
1 |
| Kellogg Brown & Root LLC | 515 |
1 |
| Other owners | 17 |