- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F03B - Machines or engines for liquids
- F03B 15/00 - Controlling
Patent holdings for IPC class F03B 15/00
Total number of patents in this class: 231
10-year publication summary
|
16
|
27
|
35
|
33
|
22
|
24
|
24
|
14
|
11
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Renewable Technologies | 122 |
11 |
| Voith Patent GmbH | 2727 |
10 |
| IFP Energies Nouvelles | 2717 |
9 |
| Ingine, Inc. | 35 |
9 |
| National Technology & Engineering Solutions of Sandia, LLC | 1851 |
7 |
| Robert Bosch GmbH | 40953 |
6 |
| Michigan Technological University | 143 |
5 |
| EIP Technologies, Inc. | 13 |
5 |
| Toshiba Corporation | 12017 |
4 |
| Aw-energy Oy | 44 |
4 |
| Minesto AB | 31 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Rolls-Royce PLC | 2944 |
3 |
| Differential Dynamics Corporation | 27 |
3 |
| Korea Institute of Ocean Science & Technology | 353 |
3 |
| National Oilwell Varco, L.P. | 1604 |
3 |
| OpenHydro IP Limited | 35 |
3 |
| South Dakota Board of Regents | 172 |
3 |
| Composite Hydraulic Turbine Ottawa Inc. | 6 |
3 |
| Flower Turbines Inc. | 16 |
3 |
| Other owners | 130 |