- 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 5/52 - Control of evacuating pumps
Patent holdings for IPC class F04F 5/52
Total number of patents in this class: 67
10-year publication summary
|
9
|
3
|
3
|
6
|
4
|
8
|
3
|
3
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stabilus Motion Controls GmbH | 91 |
8 |
| Festo AG & Co. KG | 284 |
6 |
| J. Schmalz GmbH | 160 |
6 |
| Xerex AB | 14 |
5 |
| Dayco IP Holdings, LLC | 276 |
4 |
| Piab AB | 108 |
4 |
| Robert Bosch GmbH | 43587 |
3 |
| SMC Corporation | 1378 |
3 |
| University of Delaware | 372 |
3 |
| Onishivacuum AB | 2 |
2 |
| Kinetics Technology Corporation | 3 |
2 |
| General Electric Company | 13831 |
1 |
| Murata Manufacturing Co., Ltd. | 25514 |
1 |
| Ateliers Busch SA | 49 |
1 |
| Carel Industries S.p.A. | 74 |
1 |
| Chuan Jiing Enterprises Co., Ltd. | 13 |
1 |
| Coval | 38 |
1 |
| Crafts & Carriers Taiwan Inc. | 2 |
1 |
| Deutsches Institut fur Lebensmitteltechnik e.V. | 52 |
1 |
| Fluidmaster, Inc. | 146 |
1 |
| Other owners | 12 |