- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 13/00 - Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body
Patent holdings for IPC class F22B 13/00
Total number of patents in this class: 12
10-year publication summary
|
2
|
0
|
3
|
0
|
2
|
0
|
1
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ES Co., Ltd. | 3 |
3 |
| Korea Institute of Energy Research | 803 |
2 |
| Beijing Unobstruct Petroleum Technology Service Co., Limited | 4 |
2 |
| CNPC Global Solutions Ltd. | 4 |
2 |
| Celanese International Corporation | 879 |
1 |
| DRI-STEEM Corporation | 44 |
1 |
| Palms Institute Pty Ltd | 1 |
1 |
| Other owners | 0 |