- 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 5/46 - Arrangements of nozzles
Patent holdings for IPC class F04F 5/46
Total number of patents in this class: 481
10-year publication summary
|
49
|
46
|
52
|
58
|
48
|
34
|
43
|
22
|
23
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 23769 |
50 |
| Dyson Technology Limited | 3422 |
44 |
| Robert Bosch GmbH | 41786 |
25 |
| Goodrich Corporation | 2089 |
17 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
14 |
| Dayco IP Holdings, LLC | 390 |
12 |
| GE-Hitachi Nuclear Energy Americas LLC | 416 |
9 |
| Carrier Corporation | 4451 |
7 |
| NORMA Germany GmbH | 222 |
6 |
| Safran Aircraft Engines | 6039 |
6 |
| Valeo Systemes Thermiques | 2600 |
6 |
| General Electric Company | 17789 |
5 |
| Daimler AG | 3418 |
5 |
| Hamilton Sundstrand Corporation | 4728 |
5 |
| Aisan Kogyo Kabushiki Kaisha | 722 |
5 |
| Transvac Systems Limited | 8 |
5 |
| LG Electronics Inc. | 71039 |
4 |
| Hyundai Motor Company | 20483 |
4 |
| ElringKlinger AG | 511 |
4 |
| Xerex AB | 15 |
4 |
| Other owners | 244 |