- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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
|
4
|
8
|
2
|
5
|
8
|
3
|
10
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20165 |
18 |
| Thru Tubing Solutions, Inc. | 361 |
4 |
| General Electric Company | 18133 |
3 |
| Council of Scientific & Industrial Research | 1397 |
3 |
| Mosbaek A/S | 12 |
3 |
| Industrial Technology Research Institute | 4898 |
2 |
| Daikin Industries, Ltd. | 9495 |
2 |
| Rolls-Royce PLC | 2944 |
2 |
| The Regents of the University of Michigan | 4409 |
2 |
| President and Fellows of Harvard College | 5792 |
2 |
| AS America, Inc. | 1087 |
2 |
| Control Components, Inc. | 84 |
2 |
| Hydro International plc | 43 |
2 |
| Leggett & Platt Canada Co. | 80 |
2 |
| Safran Helicopter Engines | 676 |
2 |
| Tempress Technologies, Inc. | 27 |
2 |
| Twister B.V. | 49 |
2 |
| Watreco IP AB | 4 |
2 |
| Toyota Motor Corporation | 28582 |
1 |
| The Boeing Company | 19843 |
1 |
| Other owners | 32 |