- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 27/02 - Surge control
Patent holdings for IPC class F04D 27/02
Total number of patents in this class: 1376
10-year publication summary
|
113
|
128
|
111
|
118
|
91
|
84
|
67
|
80
|
58
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13810 |
62 |
| Rtx Corporation | 9410 |
52 |
| Nuovo Pignone Tecnologie S.r.l. | 981 |
45 |
| Safran Aircraft Engines | 6294 |
44 |
| Carrier Corporation | 4296 |
38 |
| Siemens AG | 24453 |
27 |
| Pratt & Whitney Canada Corp. | 4793 |
27 |
| Hamilton Sundstrand Corporation | 4891 |
26 |
| Rolls-Royce PLC | 3107 |
24 |
| GE Infrastructure Technology, LLC | 6233 |
24 |
| JPMorgan Chase Bank, National Association | 8565 |
22 |
| Praxair Technology, Inc. | 1289 |
22 |
| Robert Bosch GmbH | 42705 |
21 |
| Atlas Copco Airpower, naamloze vennootschap | 1035 |
21 |
| BorgWarner Inc. | 2599 |
21 |
| Rolls-Royce Corporation | 1739 |
21 |
| Rolls-Royce North American Technologies, Inc. | 1169 |
21 |
| Edwards Limited | 790 |
19 |
| IHI Corporation | 3450 |
19 |
| Snecma | 1064 |
17 |
| Other owners | 803 |