- 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 19/00 - Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium
Patent holdings for IPC class F28D 19/00
Total number of patents in this class: 84
10-year publication summary
|
7
|
5
|
5
|
6
|
5
|
2
|
5
|
1
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Arvos Ljungstrom LLC | 46 |
7 |
| Beijing Shenwu Environment and Energy Technology Co., Ltd. | 18 |
4 |
| Rebound Technologies, Inc. | 31 |
3 |
| Terrapower, LLC | 329 |
3 |
| Ford Global Technologies, LLC | 20668 |
2 |
| Nortek Air Solutions Canada, Inc. | 121 |
2 |
| Research Foundation of the City University of New York | 421 |
2 |
| Rocky Research | 59 |
2 |
| Wilson Turbopower, Inc. | 3 |
2 |
| Aestus Energy Storage, LLC | 6 |
2 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 307 |
2 |
| General Electric Company | 13806 |
1 |
| The Boeing Company | 20090 |
1 |
| Honeywell International Inc. | 13548 |
1 |
| Sharp Corporation | 10270 |
1 |
| Hitachi, Ltd. | 15521 |
1 |
| Robert Bosch GmbH | 42721 |
1 |
| Raytheon Company | 8387 |
1 |
| Massachusetts Institute of Technology | 10066 |
1 |
| Whirlpool Corporation | 4436 |
1 |
| Other owners | 44 |