- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 81
10-year publication summary
|
33
|
20
|
25
|
22
|
34
|
15
|
20
|
23
|
28
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Akbayir Holding UG | 4 |
4 |
| Hansen Energy Solutions LLC | 7 |
2 |
| Dualcore Energy, Inc. | 3 |
2 |
| Filloramo, Christopher Michael | 3 |
2 |
| Anteau, Mark R. | 1 |
1 |
| Bergamini, Catia | 1 |
1 |
| Braddell Limited | 4 |
1 |
| Che, Yanjun Y.c. | 3 |
1 |
| Fawcett Co., Inc. | 2 |
1 |
| National Taiwan Normal University | 124 |
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 | 343 |
1 |
| Maijid Rahmanifar | 1 |
1 |
| Zag Technologies (Ireland) Limited | 1 |
1 |
| Solar City Limited | 2 |
1 |
| Hansmann, Carl Ludwig | 1 |
1 |
| Other owners | 55 |