- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 17/00 - Regulating or controlling by varying flow
Patent holdings for IPC class F01D 17/00
Total number of patents in this class: 256
10-year publication summary
|
18
|
22
|
22
|
9
|
10
|
9
|
7
|
3
|
8
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8777 |
21 |
| Rtx Corporation | 9420 |
18 |
| United Technologies Corporation | 2242 |
13 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
13 |
| Pratt & Whitney Canada Corp. | 4804 |
7 |
| Safran Aircraft Engines | 6302 |
7 |
| GE Infrastructure Technology, LLC | 6241 |
6 |
| Rolls-Royce PLC | 3125 |
5 |
| Nuovo Pignone Tecnologie S.r.l. | 991 |
5 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3045 |
5 |
| General Electric Company | 13807 |
4 |
| JPMorgan Chase Bank, National Association | 8571 |
4 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2875 |
4 |
| Praxair Technology, Inc. | 1285 |
4 |
| Kabushiki Kaisha Toyota Jidoshokki | 1760 |
4 |
| Siemens AG | 24436 |
3 |
| SNECMA S.A. | 1148 |
3 |
| Toshiba Corporation | 12383 |
3 |
| BorgWarner Inc. | 2602 |
3 |
| Echogen Power Systems, LLC | 63 |
3 |
| Other owners | 121 |