- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 3/04 - Machines or engines with axial-thrust balancing effected by working fluid axial thrust being compensated by thrust-balancing dummy piston or the like
Patent holdings for IPC class F01D 3/04
Total number of patents in this class: 78
10-year publication summary
3
|
7
|
9
|
8
|
8
|
3
|
3
|
1
|
3
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens AG | 24990 |
15 |
Robert Bosch GmbH | 40953 |
6 |
General Electric Company | 18133 |
5 |
Toshiba Energy Systems & Solutions Corp. | 954 |
4 |
JPMorgan Chase Bank, National Association | 10964 |
3 |
General Electric Technology GmbH | 1657 |
3 |
Mitsubishi Heavy Industries Compressor Corporation | 613 |
3 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
Ansaldo Energia Switzerland AG | 293 |
2 |
GE Infrastructure Technology, LLC | 5873 |
2 |
Siemens Energy Global GmbH & Co. KG | 2775 |
2 |
Rtx Corporation | 8674 |
2 |
Pratt & Whitney Canada Corp. | 4215 |
1 |
Daimler AG | 3462 |
1 |
Continental Automotive GmbH | 5573 |
1 |
Alstom Technology Ltd | 1196 |
1 |
Daikin Industries, Ltd. | 9495 |
1 |
Komatsu Ltd. | 4265 |
1 |
Ansaldo Energia S.p.A. | 131 |
1 |
Calnetix, Inc. | 4 |
1 |
Other owners | 21 |