- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04F - Pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped; siphons
- 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: 76
10-year publication summary
|
6
|
8
|
7
|
6
|
4
|
3
|
6
|
3
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Coldharbour Marine Limited | 5 |
5 |
| MODEC, Inc. | 20 |
4 |
| Sekisui Chemical Co., Ltd. | 3308 |
3 |
| Hitachi, Ltd. | 15226 |
2 |
| Funai Electric Co., Ltd. | 863 |
2 |
| ArcelorMittal | 2064 |
2 |
| Atlas Copco Airpower, naamloze vennootschap | 984 |
2 |
| Goodrich Corporation | 2089 |
2 |
| Technion Research & Development Foundation Ltd. | 1197 |
2 |
| U.S. Submergent Technologies, LLC | 21 |
2 |
| Green Energy Incorporated Limited | 2 |
2 |
| Schlumberger Technology Corporation | 10263 |
1 |
| Schlumberger Canada Limited | 7154 |
1 |
| Schlumberger Technology B.v. | 5075 |
1 |
| Schlumberger Holdings Limited | 2867 |
1 |
| BASF SE | 20432 |
1 |
| LG Electronics Inc. | 71039 |
1 |
| The Regents of the University of California | 19517 |
1 |
| S. C. Johnson & Son, Inc. | 2835 |
1 |
| Robert Bosch GmbH | 41786 |
1 |
| Other owners | 39 |