- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 13/02 - Working-fluid interconnection of machines or engines
Patent holdings for IPC class F01D 13/02
Total number of patents in this class: 67
10-year publication summary
|
10
|
9
|
8
|
10
|
4
|
13
|
4
|
6
|
3
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4215 |
8 |
| General Electric Company | 18133 |
7 |
| Safran Aircraft Engines | 5739 |
7 |
| Siemens AG | 24990 |
4 |
| Rtx Corporation | 8674 |
4 |
| Rolls-Royce PLC | 2944 |
2 |
| Hansen Energy Solutions LLC | 7 |
2 |
| Wartsila Finland Oy | 740 |
2 |
| GE Infrastructure Technology, LLC | 5873 |
2 |
| Powerphase International, LLC | 39 |
2 |
| Honeywell International Inc. | 13799 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Sumitomo Electric Industries, Ltd. | 14131 |
1 |
| Hamilton Sundstrand Corporation | 4525 |
1 |
| JPMorgan Chase Bank, National Association | 10964 |
1 |
| Ansaldo Energia Switzerland AG | 293 |
1 |
| BorgWarner Inc. | 2604 |
1 |
| Hieta Technologies Limited | 27 |
1 |
| Institut SUPERIEUR de L'aeronautique et de L'espace | 34 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
1 |
| Other owners | 17 |