- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 3/00 - Machines or engines with axial-thrust balancing effected by working fluid
Patent holdings for IPC class F01D 3/00
Total number of patents in this class: 65
10-year publication summary
|
5
|
2
|
5
|
2
|
6
|
1
|
3
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 18133 |
5 |
| HeartWare, Inc. | 370 |
5 |
| Daimler AG | 3462 |
3 |
| Energy Recovery, Inc. | 168 |
3 |
| GE Infrastructure Technology, LLC | 5873 |
3 |
| Rtx Corporation | 8674 |
3 |
| Siemens AG | 24990 |
2 |
| Pratt & Whitney Canada Corp. | 4215 |
2 |
| Hewlett-Packard Development Company, L.P. | 28538 |
2 |
| Ford Global Technologies, LLC | 19702 |
2 |
| Hamilton Sundstrand Corporation | 4525 |
2 |
| Safran Aircraft Engines | 5739 |
2 |
| Baker Hughes Holdings LLC | 3060 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| United Technologies Corporation | 2328 |
1 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
1 |
| Komatsu Ltd. | 4265 |
1 |
| Ebara Corporation | 1951 |
1 |
| Ebara International Corporation | 5 |
1 |
| JPMorgan Chase Bank, National Association | 10964 |
1 |
| Other owners | 22 |