- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 21/16 - Trip gear
Patent holdings for IPC class F01D 21/16
Total number of patents in this class: 31
10-year publication summary
|
1
|
9
|
5
|
7
|
2
|
0
|
1
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries Compressor Corporation | 626 |
6 |
| GE Infrastructure Technology, LLC | 6192 |
6 |
| Elliott Company | 84 |
2 |
| China Shenhua Energy Company Limited | 24 |
2 |
| Emerson Process Management Power & Water Solutions, Inc. | 116 |
2 |
| Elliott Ebara Turbomachinery Corporation | 2 |
2 |
| Siemens AG | 24561 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8647 |
1 |
| Siemens Energy, Inc. | 1693 |
1 |
| Fisher Controls International LLC | 1485 |
1 |
| Hanvit Industries Co., Ltd | 2 |
1 |
| Safran Aircraft Engines | 6237 |
1 |
| Saudi Arabian Oil Company | 12858 |
1 |
| Toshiba Energy Systems & Solutions Corp. | 1065 |
1 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6274 |
1 |
| Shenhua(fuzhou)luoyuan Bay Port&power Co.,Ltd | 1 |
1 |
| Shenhua (fujian ) Energy Company Limited | 1 |
1 |
| Other owners | 0 |