- 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
|
8
|
5
|
5
|
6
|
4
|
5
|
2
|
3
|
9
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aktiebolaget SKF | 3113 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 715 |
2 |
| Munters Europe AB | 73 |
2 |
| Tohoku University | 2939 |
2 |
| GTK Timek Group SA | 11 |
2 |
| Arvos Ljungstrom LLC | 48 |
2 |
| Coriolis Group | 71 |
2 |
| General Electric Company | 13823 |
1 |
| 3m Innovative Properties Company | 17491 |
1 |
| BASF SE | 21171 |
1 |
| The Boeing Company | 20137 |
1 |
| Canon Inc. | 42735 |
1 |
| Hewlett-Packard Development Company, L.P. | 25306 |
1 |
| Cisco Technology, Inc. | 22374 |
1 |
| Denso Corporation | 25379 |
1 |
| Applied Materials, Inc. | 20191 |
1 |
| Northrop Grumman Systems Corporation | 2935 |
1 |
| ZF Friedrichshafen AG | 7223 |
1 |
| Aisin Seiki Kabushiki Kaisha | 2169 |
1 |
| Allgaier Werke GmbH | 35 |
1 |
| Other owners | 29 |