- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F03B - Machines or engines for liquids
- F03B 15/20 - Controlling by varying liquid flow specially adapted for turbines with jets of high-velocity liquid impinging on bladed or like rotors
Patent holdings for IPC class F03B 15/20
Total number of patents in this class: 28
10-year publication summary
|
4
|
0
|
1
|
2
|
1
|
3
|
0
|
2
|
7
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Energy Recovery, Inc. | 168 |
4 |
| Voith Patent GmbH | 2727 |
4 |
| SJK Energy Solutions, LLC | 12 |
2 |
| Tap Energy LLC | 5 |
2 |
| Cleveland State University | 78 |
1 |
| Coil Tubing Technology, Inc. | 6 |
1 |
| Halla Engineering & Construction Corp. | 2 |
1 |
| Inventurous, LLC | 4 |
1 |
| Kolon Global Corporation | 16 |
1 |
| Michigan Technological University | 143 |
1 |
| Quality Research, Development & Consulting, Inc. | 3 |
1 |
| Rutten New Energy System SA | 5 |
1 |
| Synkinetics, Inc. | 2 |
1 |
| GE Infrastructure Technology, LLC | 5873 |
1 |
| National Technology & Engineering Solutions of Sandia, LLC | 1851 |
1 |
| Dongfang Electric Machinery Co., Ltd. | 30 |
1 |
| Dongyang Engineering Co., Ltd | 1 |
1 |
| Elkhart Brass Manufacturing Company, LLC | 56 |
1 |
| Shenzhen Siron Electric Power Co., Ltd. | 2 |
1 |
| Gravity Energy Pty Ltd | 1 |
1 |
| Other owners | 0 |