- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 251
10-year publication summary
33
|
18
|
23
|
22
|
11
|
10
|
10
|
7
|
5
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Heavy Industries, Ltd. | 8217 |
21 |
Rtx Corporation | 8674 |
17 |
United Technologies Corporation | 2328 |
13 |
Mitsubishi Hitachi Power Systems, Ltd. | 999 |
13 |
Pratt & Whitney Canada Corp. | 4215 |
8 |
Safran Aircraft Engines | 5739 |
7 |
GE Infrastructure Technology, LLC | 5873 |
6 |
Rolls-Royce PLC | 2944 |
5 |
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
5 |
General Electric Company | 18133 |
4 |
JPMorgan Chase Bank, National Association | 10964 |
4 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
4 |
Mitsubishi Heavy Industries Compressor Corporation | 613 |
4 |
Praxair Technology, Inc. | 1367 |
4 |
Nuovo Pignone Tecnologie S.r.l. | 789 |
4 |
Kabushiki Kaisha Toyota Jidoshokki | 1699 |
4 |
Siemens AG | 24990 |
3 |
SNECMA S.A. | 1160 |
3 |
Toshiba Corporation | 12017 |
3 |
BorgWarner Inc. | 2604 |
3 |
Other owners | 116 |