- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F03B - Machines or engines for liquids
- F03B 5/00 - Machines or engines characterised by non-bladed rotors, e.g. serrated, using friction
Patent holdings for IPC class F03B 5/00
Total number of patents in this class: 41
10-year publication summary
|
8
|
4
|
2
|
7
|
3
|
3
|
1
|
1
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yugen Kaisha Nakanoseisakusho | 4 |
3 |
| C I Corporation Pty Ltd | 9 |
2 |
| Eel Energy | 7 |
2 |
| NS Creation Ltd. | 2 |
2 |
| Technion Research and Development Foundation Ltd. | 337 |
2 |
| Tap Energy LLC | 5 |
2 |
| General Electric Company | 18133 |
1 |
| Varian Semiconductor Equipment Associates, Inc. | 1282 |
1 |
| Air Products and Chemicals, Inc. | 1448 |
1 |
| AMK Energy Comp. s.r.o. | 1 |
1 |
| Czech Technical University in Prague, Faculty of Civil Engineering | 4 |
1 |
| Dial Discoveries, Inc. | 2 |
1 |
| Edwards Limited | 764 |
1 |
| eGen LLC | 4 |
1 |
| ERK Eckrohrkessel GmbH | 10 |
1 |
| GM Global Technology Operations, Inc. | 641 |
1 |
| Goodrich Corporation | 2081 |
1 |
| Istanbul Teknik Universitesi | 138 |
1 |
| Pfeiffer Vacuum GmbH | 85 |
1 |
| Pliant Energy Systems LLC | 21 |
1 |
| Other owners | 14 |