- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22B - Methods of steam generationsteam boilers
- F22B 33/00 - Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
Patent holdings for IPC class F22B 33/00
Total number of patents in this class: 52
10-year publication summary
|
2
|
2
|
4
|
3
|
11
|
2
|
5
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 12911 |
3 |
| Washington University | 1604 |
3 |
| Alfa Laval Corporate AB | 1310 |
2 |
| Areva Solar, Inc. | 12 |
2 |
| Cenovus Energy Inc. | 422 |
2 |
| Constructions Industrielles de La Mediterranee (cnim) | 23 |
2 |
| Zhongying Changjiang International New Energy Investment Co., Ltd. | 32 |
2 |
| Beijing Unobstruct Petroleum Technology Service Co., Limited | 4 |
2 |
| CNPC Global Solutions Ltd. | 4 |
2 |
| Glasspoint, Inc. | 24 |
2 |
| Tsinghua University | 5855 |
1 |
| ACS Engineering Technologies Inc. | 1 |
1 |
| Aramco Services Company | 3927 |
1 |
| Big Sun Energy Technology Inc. | 12 |
1 |
| Chia Ching Luo | 4 |
1 |
| China National Petroleum Corporation | 430 |
1 |
| Climeon AB | 39 |
1 |
| Esolar, Inc. | 9 |
1 |
| Fluor Technologies Corporation | 379 |
1 |
| General Electric Technology GmbH | 1369 |
1 |
| Other owners | 20 |