- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04F - Pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumpedsiphons
- F04F 1/18 - Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium being mixed with, or generated from, the liquid to be pumped
Patent holdings for IPC class F04F 1/18
Total number of patents in this class: 78
10-year publication summary
|
8
|
7
|
6
|
4
|
3
|
6
|
3
|
1
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Coldharbour Marine Limited | 5 |
5 |
| MODEC, Inc. | 25 |
3 |
| Sekisui Chemical Co., Ltd. | 3669 |
3 |
| Hitachi, Ltd. | 16237 |
2 |
| ArcelorMittal | 2761 |
2 |
| Atlas Copco Airpower, naamloze vennootschap | 1085 |
2 |
| Goodrich Corporation | 2181 |
2 |
| Technion Research & Development Foundation Ltd. | 1268 |
2 |
| U.S. Submergent Technologies, LLC | 20 |
2 |
| Green Energy Incorporated Limited | 2 |
2 |
| Schlumberger Technology Corporation | 12005 |
1 |
| Schlumberger Canada Limited | 7622 |
1 |
| Schlumberger Technology B.v. | 5294 |
1 |
| Schlumberger Holdings Limited | 2656 |
1 |
| BASF SE | 21334 |
1 |
| LG Electronics Inc. | 76328 |
1 |
| The Regents of the University of California | 20987 |
1 |
| S. C. Johnson & Son, Inc. | 2753 |
1 |
| Funai Electric Co., Ltd. | 499 |
1 |
| Lam Research Corporation | 5735 |
1 |
| Other owners | 43 |