- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- 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: 32
10-year publication summary
0
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1
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2
|
1
|
3
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0
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2
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8
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4
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1
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2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Voith Patent GmbH | 2756 |
5 |
Energy Recovery, Inc. | 175 |
4 |
SJK Energy Solutions, LLC | 13 |
2 |
Tap Energy LLC | 6 |
2 |
Gravity Energy Pty Ltd | 3 |
2 |
Alvin Gregorash | 2 |
2 |
Apex Valves Limited | 21 |
1 |
Cleveland State University | 76 |
1 |
Coil Tubing Technology, Inc. | 5 |
1 |
Halla Engineering & Construction Corp. | 2 |
1 |
Inventurous, LLC | 4 |
1 |
Kolon Global Corporation | 18 |
1 |
Michigan Technological University | 154 |
1 |
Quality Research, Development & Consulting, Inc. | 4 |
1 |
Rutten New Energy System SA | 5 |
1 |
Synkinetics, Inc. | 2 |
1 |
National Technology & Engineering Solutions of Sandia, LLC | 1891 |
1 |
Dongfang Electric Machinery Co., Ltd. | 43 |
1 |
Dongyang Engineering Co., Ltd | 1 |
1 |
Elkhart Brass Manufacturing Company, LLC | 54 |
1 |
Other owners | 1 |