- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22B - Methods of steam generationsteam boilers
- F22B 37/06 - Flue or fire tubesAccessories therefor, e.g. fire-tube inserts
Patent holdings for IPC class F22B 37/06
Total number of patents in this class: 38
10-year publication summary
|
4
|
5
|
4
|
2
|
0
|
3
|
7
|
3
|
1
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DRI-STEEM Corporation | 46 |
3 |
| Rheem Manufacturing Company | 975 |
3 |
| ROBUR S.p.A. | 5 |
2 |
| Technip France | 707 |
2 |
| Valmet Technologies Oy | 287 |
2 |
| Nuovo Pignone Tecnologie S.r.l. | 957 |
2 |
| Trinity Endeavors, LLC | 3 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8685 |
1 |
| Advanced Ceramic Fibers, LLC | 12 |
1 |
| Bradford White Corporation | 168 |
1 |
| ClearSign Combustion Corporation | 111 |
1 |
| Metso Power Oy | 31 |
1 |
| Thermax Limited | 46 |
1 |
| Unical AG S.p.A. | 60 |
1 |
| Westinghouse Electric Germany GmbH | 17 |
1 |
| Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd. | 170 |
1 |
| Zhejiang University | 3122 |
1 |
| Diamond Power International, LLC | 60 |
1 |
| Vitro Flat Glass LLC | 455 |
1 |
| Goodfield Energy Corporation | 2 |
1 |
| Other owners | 9 |