- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F15C - Fluid-circuit elements predominantly used for computing or control purposes
- F15C 1/16 - Vortex devices, i.e. devices in which use is made of the pressure drop associated with vortex motion in a fluid
Patent holdings for IPC class F15C 1/16
Total number of patents in this class: 91
10-year publication summary
|
2
|
5
|
8
|
3
|
8
|
0
|
1
|
3
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21151 |
20 |
| Thru Tubing Solutions, Inc. | 391 |
4 |
| General Electric Company | 13815 |
3 |
| Auckland UniServices Limited | 502 |
3 |
| Council of Scientific & Industrial Research | 1435 |
3 |
| Industrial Technology Research Institute | 5068 |
2 |
| Daikin Industries, Ltd. | 10261 |
2 |
| Rolls-Royce PLC | 3177 |
2 |
| The Regents of the University of Michigan | 4880 |
2 |
| President and Fellows of Harvard College | 6068 |
2 |
| AS America, Inc. | 1031 |
2 |
| Hydro International plc | 32 |
2 |
| Leggett & Platt Canada Co. | 90 |
2 |
| Safran Helicopter Engines | 804 |
2 |
| Tempress Technologies, Inc. | 22 |
2 |
| Watreco IP AB | 4 |
2 |
| Mosbaek A/S | 11 |
2 |
| Toyota Motor Corporation | 34274 |
1 |
| The Boeing Company | 20113 |
1 |
| Honeywell International Inc. | 13604 |
1 |
| Other owners | 31 |