- 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: 57
10-year publication summary
|
8
|
5
|
5
|
6
|
4
|
5
|
2
|
3
|
10
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Northrop Grumman Systems Corporation | 2912 |
2 |
| Aktiebolaget SKF | 3163 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 725 |
2 |
| Munters Europe AB | 84 |
2 |
| Tohoku University | 3044 |
2 |
| GTK Timek Group SA | 11 |
2 |
| Arvos Ljungstrom LLC | 48 |
2 |
| Coriolis Group | 72 |
2 |
| General Electric Company | 14010 |
1 |
| 3m Innovative Properties Company | 17443 |
1 |
| BASF SE | 21334 |
1 |
| The Boeing Company | 20217 |
1 |
| Canon Inc. | 44490 |
1 |
| Hewlett-Packard Development Company, L.P. | 25118 |
1 |
| Cisco Technology, Inc. | 22656 |
1 |
| Denso Corporation | 25820 |
1 |
| Applied Materials, Inc. | 20625 |
1 |
| ZF Friedrichshafen AG | 7272 |
1 |
| Aisin Seiki Kabushiki Kaisha | 2147 |
1 |
| Allgaier Werke GmbH | 35 |
1 |
| Other owners | 29 |