- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03B - Machines or engines for liquids
- F03B 17/04 - Alleged perpetua mobilia
Patent holdings for IPC class F03B 17/04
Total number of patents in this class: 72
10-year publication summary
|
17
|
21
|
20
|
31
|
14
|
18
|
19
|
27
|
19
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Akbayir Holding UG | 4 |
4 |
| Dualcore Energy, Inc. | 2 |
2 |
| Che, Emma, Miss. | 2 |
2 |
| Bergamini, Catia | 1 |
1 |
| Braddell Limited | 1 |
1 |
| Fawcett Co., Inc. | 2 |
1 |
| Hansen Energy Solutions LLC | 6 |
1 |
| National Taiwan Normal University | 134 |
1 |
| NRG Smarts Limited | 1 |
1 |
| SHINYO Industries, Co., Ltd. | 2 |
1 |
| Tor - H2 S.r.l. | 2 |
1 |
| Zbigniew Korzelski - Delki, Polpoint | 2 |
1 |
| Oleumsteel, SL | 2 |
1 |
| Imam Abdulrahman Bin Faisal University | 537 |
1 |
| Maijid Rahmanifar | 1 |
1 |
| Zag Technologies (Ireland) Limited | 1 |
1 |
| Solar City Limited | 1 |
1 |
| New-Field Energy, LLC | 2 |
1 |
| Adotek Engineering di Ing. Salvatore Adorisio Ditta Individuale | 1 |
1 |
| AL-NAIMI, Hassan | 1 |
1 |
| Other owners | 47 |