- 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 5/04 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing elastic fluids
Patent holdings for IPC class F04F 5/04
Total number of patents in this class: 70
10-year publication summary
|
14
|
13
|
7
|
7
|
3
|
3
|
6
|
6
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 23721 |
20 |
| Transvac Systems Limited | 8 |
3 |
| BASF SE | 20387 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 29620 |
2 |
| Ohio State Innovation Foundation | 1968 |
2 |
| ortec Expansion | 13 |
2 |
| Sakura Seiki Co., Ltd. | 74 |
2 |
| Statoil Petroleum AS | 541 |
2 |
| TLV Co., Ltd. | 336 |
2 |
| Danfoss A/S | 1306 |
2 |
| Siemens AG | 24572 |
1 |
| Shell Internationale Research Maatschappij B.V. | 3721 |
1 |
| Carrier Corporation | 4444 |
1 |
| Braddell Limited | 1 |
1 |
| Dayco IP Holdings, LLC | 391 |
1 |
| Edwards Limited | 799 |
1 |
| Flowtech Co., Ltd. | 19 |
1 |
| Fluidmaster, Inc. | 140 |
1 |
| GBA Marine AS | 14 |
1 |
| Haier US Appliance Solutions, Inc. | 3323 |
1 |
| Other owners | 21 |