- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 5/02 - Rotary drums or rollers
Patent holdings for IPC class F28F 5/02
Total number of patents in this class: 56
10-year publication summary
|
3
|
8
|
5
|
5
|
6
|
4
|
5
|
2
|
3
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aktiebolaget SKF | 2934 |
2 |
| Munters Europe AB | 54 |
2 |
| Tohoku University | 2775 |
2 |
| GTK Timek Group SA | 10 |
2 |
| Arvos Ljungstrom LLC | 45 |
2 |
| Coriolis Group | 69 |
2 |
| Błażej Kubiak Loscar | 2 |
2 |
| General Electric Company | 13829 |
1 |
| 3m Innovative Properties Company | 17858 |
1 |
| BASF SE | 20892 |
1 |
| The Boeing Company | 20031 |
1 |
| Canon Inc. | 39660 |
1 |
| Hewlett-Packard Development Company, L.P. | 25910 |
1 |
| Cisco Technology, Inc. | 19845 |
1 |
| Denso Corporation | 24223 |
1 |
| Applied Materials, Inc. | 18501 |
1 |
| Northrop Grumman Systems Corporation | 2951 |
1 |
| ZF Friedrichshafen AG | 7135 |
1 |
| Aisin Seiki Kabushiki Kaisha | 2240 |
1 |
| Allgaier Werke GmbH | 41 |
1 |
| Other owners | 29 |