- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 3/00 - Other methods of steam generation; Steam boilers not provided for in other groups of this subclass
Patent holdings for IPC class F22B 3/00
Total number of patents in this class: 63
10-year publication summary
|
9
|
5
|
5
|
7
|
4
|
3
|
6
|
3
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Miura Co., Ltd. | 287 |
5 |
| Google LLC | 38759 |
4 |
| Saudi Arabian Oil Company | 11322 |
3 |
| Taizhou Dajiang Industry Co., Ltd. | 14 |
3 |
| Oqab Dietrich Induction Inc. | 45 |
3 |
| Fuji Electric Co., Ltd. | 4750 |
2 |
| Global Oil EOR Systems, Ltd. | 4 |
2 |
| IHI Corporation | 3268 |
2 |
| Korea Institute of Energy Research | 803 |
2 |
| XDI Holdings, LLC | 68 |
2 |
| Bioleap, Inc. | 9 |
2 |
| Taiyo energy kenkyusho inc. | 3 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Hitachi, Ltd. | 16452 |
1 |
| Alstom Technology Ltd | 1196 |
1 |
| Kao Corporation | 4843 |
1 |
| Bastian Family Holdings, Inc. | 4 |
1 |
| Big Sun Energy Technology Inc. | 12 |
1 |
| BWXT Canada, Ltd. | 39 |
1 |
| BWXT Foreign Holdings, LLC | 3 |
1 |
| Other owners | 23 |