- 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
|
10
|
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. | 21320 |
20 |
| Thru Tubing Solutions, Inc. | 404 |
4 |
| General Electric Company | 13910 |
3 |
| Auckland UniServices Limited | 498 |
3 |
| Council of Scientific & Industrial Research | 1447 |
3 |
| Industrial Technology Research Institute | 5205 |
2 |
| Daikin Industries, Ltd. | 10504 |
2 |
| Rolls-Royce PLC | 3223 |
2 |
| The Regents of the University of Michigan | 4997 |
2 |
| President and Fellows of Harvard College | 6092 |
2 |
| AS America, Inc. | 1041 |
2 |
| Hydro International plc | 32 |
2 |
| Leggett & Platt Canada Co. | 90 |
2 |
| Safran Helicopter Engines | 844 |
2 |
| Tempress Technologies, Inc. | 23 |
2 |
| Watreco IP AB | 4 |
2 |
| Mosbaek A/S | 11 |
2 |
| Toyota Motor Corporation | 35813 |
1 |
| The Boeing Company | 20163 |
1 |
| Honeywell International Inc. | 12772 |
1 |
| Other owners | 31 |