- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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
|
1
|
9
|
5
|
7
|
2
|
0
|
1
|
1
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Heavy Industries Compressor Corporation | 613 |
6 |
GE Infrastructure Technology, LLC | 5873 |
5 |
Elliott Company | 88 |
2 |
China Shenhua Energy Company Limited | 24 |
2 |
Emerson Process Management Power & Water Solutions, Inc. | 126 |
2 |
Elliott Ebara Turbomachinery Corporation | 2 |
2 |
Siemens AG | 24990 |
1 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
Siemens Energy, Inc. | 1770 |
1 |
Fisher Controls International LLC | 1520 |
1 |
Hanvit Industries Co., Ltd | 2 |
1 |
Safran Aircraft Engines | 5739 |
1 |
Saudi Arabian Oil Company | 11322 |
1 |
Nuovo Pignone Tecnologie S.r.l. | 789 |
1 |
Toshiba Energy Systems & Solutions Corp. | 954 |
1 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
1 |
Shenhua(fuzhou)luoyuan Bay Port&power Co.,Ltd | 1 |
1 |
Shenhua (fujian ) Energy Company Limited | 1 |
1 |
Other owners | 0 |