- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 9/04 - Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body the boiler body being disposed upright, e.g. above the combustion chamber the fire tubes being in upright arrangement
Patent holdings for IPC class F22B 9/04
Total number of patents in this class: 10
10-year publication summary
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0
|
2
|
2
|
1
|
2
|
0
|
1
|
0
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0
|
0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dana Canada Corporation | 284 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
| Camus Hydronics Limited | 23 |
1 |
| Laars Heating Systems Company | 21 |
1 |
| Rocky Research | 75 |
1 |
| Unical AG S.p.A. | 60 |
1 |
| Aalborg Industries A/S | 4 |
1 |
| Suspended Vortex Innovations LLC | 2 |
1 |
| Topsoe A/S | 732 |
1 |
| Other owners | 0 |