- 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: 168
10-year publication summary
|
9
|
18
|
19
|
9
|
14
|
10
|
9
|
14
|
8
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10141 |
9 |
| Hydrokinetic Energy Corp | 9 |
8 |
| Voith Patent GmbH | 2742 |
7 |
| Lone Gull Holdings, Ltd. | 155 |
7 |
| Kabushiki Kaisha Bellsion | 28 |
4 |
| General Electric Company | 13938 |
3 |
| Toshiba Corporation | 12625 |
3 |
| NTN Corporation | 4922 |
3 |
| Emrgy, Inc. | 16 |
3 |
| GE Infrastructure Technology, LLC | 6154 |
3 |
| Actioevent GmbH | 3 |
3 |
| Pratt & Whitney Canada Corp. | 5523 |
2 |
| Siemens Energy, Inc. | 1683 |
2 |
| Andritz Hydro GmbH | 71 |
2 |
| Canyon Industries, Inc. | 7 |
2 |
| Differential Dynamics Corporation | 25 |
2 |
| Dresser-Rand Company | 205 |
2 |
| Dyson Technology Limited | 4023 |
2 |
| Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences | 248 |
2 |
| Kyowa Engineering Consultants Co., Ltd. | 8 |
2 |
| Other owners | 97 |