- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 37/06 - Flue or fire tubes; Accessories therefor, e.g. fire-tube inserts
Patent holdings for IPC class F22B 37/06
Total number of patents in this class: 33
10-year publication summary
|
0
|
4
|
5
|
4
|
2
|
0
|
3
|
7
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rheem Manufacturing Company | 861 |
3 |
| DRI-STEEM Corporation | 44 |
2 |
| ROBUR S.p.A. | 5 |
2 |
| Technip France | 737 |
2 |
| Valmet Technologies Oy | 284 |
2 |
| Trinity Endeavors, LLC | 3 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Advanced Ceramic Fibers, LLC | 13 |
1 |
| Bradford White Corporation | 127 |
1 |
| ClearSign Combustion Corporation | 120 |
1 |
| Metso Power Oy | 38 |
1 |
| Thermax Limited | 46 |
1 |
| Unical AG S.p.A. | 60 |
1 |
| Westinghouse Electric Germany GmbH | 18 |
1 |
| Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd. | 162 |
1 |
| Zhejiang University | 2619 |
1 |
| Diamond Power International, LLC | 63 |
1 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
1 |
| Vitro Flat Glass LLC | 419 |
1 |
| Goodfield Energy Corporation | 2 |
1 |
| Other owners | 6 |