- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F15B - Systems acting by means of fluids in generalfluid-pressure actuators, e.g. servomotorsdetails of fluid-pressure systems, not otherwise provided for
- F15B 21/12 - Fluid oscillators or pulse generators
Patent holdings for IPC class F15B 21/12
Total number of patents in this class: 94
10-year publication summary
|
11
|
7
|
10
|
7
|
5
|
5
|
4
|
2
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Fusion Inc. | 77 |
7 |
| Thru Tubing Solutions, Inc. | 379 |
6 |
| Evolution Engineering Inc. | 301 |
5 |
| FDX Fluid Dynamix GmbH | 21 |
4 |
| The Boeing Company | 20139 |
3 |
| Robert Bosch GmbH | 42826 |
3 |
| Ramot at Tel-Aviv University Ltd. | 1490 |
3 |
| SMC Corporation | 1367 |
3 |
| ABC Technologies Inc. | 151 |
3 |
| Baker Hughes Incorporated | 5243 |
2 |
| Airbus Operations GmbH | 3359 |
2 |
| Tsinghua University | 5969 |
2 |
| Oxford University Innovation Limited | 1558 |
2 |
| Perlemax Ltd | 12 |
2 |
| Qinghai University | 6 |
2 |
| Halliburton Energy Services, Inc. | 20977 |
1 |
| Siemens VAI Metals Technologies GmbH | 220 |
1 |
| Rolls-Royce PLC | 3137 |
1 |
| President and Fellows of Harvard College | 6005 |
1 |
| Atlas Copco Rock Drills AB | 141 |
1 |
| Other owners | 40 |