- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03B - Machines or engines for liquids
- F03B 11/02 - Casings
Patent holdings for IPC class F03B 11/02
Total number of patents in this class: 165
10-year publication summary
|
26
|
7
|
18
|
19
|
9
|
13
|
9
|
6
|
13
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9483 |
9 |
| Hydrokinetic Energy Corp | 9 |
8 |
| Voith Patent GmbH | 2772 |
7 |
| Lone Gull Holdings, Ltd. | 134 |
6 |
| Kabushiki Kaisha Bellsion | 29 |
4 |
| GE Infrastructure Technology, LLC | 6252 |
4 |
| General Electric Company | 13859 |
3 |
| Pratt & Whitney Canada Corp. | 4838 |
3 |
| Toshiba Corporation | 12516 |
3 |
| NTN Corporation | 4981 |
3 |
| Actioevent GmbH | 3 |
3 |
| Siemens Energy, Inc. | 1706 |
2 |
| Andritz Hydro GmbH | 69 |
2 |
| Canyon Industries, Inc. | 7 |
2 |
| Differential Dynamics Corporation | 25 |
2 |
| Dresser-Rand Company | 211 |
2 |
| Dyson Technology Limited | 3696 |
2 |
| Emrgy, Inc. | 15 |
2 |
| Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences | 237 |
2 |
| Kyowa Engineering Consultants Co., Ltd. | 8 |
2 |
| Other owners | 94 |