- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03B - Machines or engines for liquids
- F03B 9/00 - Endless-chain type machines or engines
Patent holdings for IPC class F03B 9/00
Total number of patents in this class: 40
10-year publication summary
|
8
|
6
|
6
|
5
|
4
|
6
|
2
|
8
|
6
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Natel Energy, Inc. | 11 |
3 |
| The Boeing Company | 20031 |
2 |
| Cosmomind AB | 3 |
2 |
| Oceana Energy Company | 33 |
2 |
| GE Infrastructure Technology, LLC | 6209 |
2 |
| Economical Energy Pty Ltd | 5 |
2 |
| Hitachi, Ltd. | 15467 |
1 |
| Atlantis Resources Corporation Pte Limited | 20 |
1 |
| Flexidrill Limited | 46 |
1 |
| Khw Umweltdienst, GmbH | 1 |
1 |
| Lazzeri, Heidi | 1 |
1 |
| Lazzeri, Paolo | 1 |
1 |
| Lazzeri, Patrizia | 1 |
1 |
| Nature's Energy Banc | 2 |
1 |
| Safety Design USA Inc. | 2 |
1 |
| SHINYO Industries, Co., Ltd. | 2 |
1 |
| Takeuchi Mfg. Co., Ltd. | 58 |
1 |
| Tidal Sails AS | 6 |
1 |
| WRH Walter Reist Holding AG | 44 |
1 |
| Florida Renewable Energy Corporation | 1 |
1 |
| Other owners | 13 |