- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 43/067 - Pumps having fluid drive the fluid being actuated directly by a piston
Patent holdings for IPC class F04B 43/067
Total number of patents in this class: 172
10-year publication summary
|
12
|
16
|
10
|
16
|
16
|
12
|
4
|
12
|
7
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wanner Engineering, Inc. | 56 |
16 |
| Mhwirth GmbH | 55 |
11 |
| Prominent GmbH | 99 |
10 |
| Dosatron International | 70 |
6 |
| Fresenius Medical Care Deutschland GmbH | 2189 |
6 |
| Tetra Laval Holdings & Finance S.A. | 2185 |
6 |
| Teledyne Digital Imaging US, Inc. | 69 |
6 |
| Precision Planting LLC | 1148 |
5 |
| Nel Hydrogen A/S | 38 |
5 |
| GEA Mechanical Equipment Italia S.p.A. | 80 |
4 |
| Linde Aktiengesellschaft | 1483 |
3 |
| Milton Roy Europe | 14 |
3 |
| Prominent Dosiertechnik GmbH | 8 |
3 |
| Repligen Corporation | 291 |
3 |
| Thomas Magnete GmbH | 106 |
3 |
| White Knight Fluid Handling, Inc | 30 |
3 |
| Baxter International Inc. | 2413 |
2 |
| Baxter Healthcare S.A. | 1840 |
2 |
| Carnegie Mellon University | 1581 |
2 |
| Chen, Chung-chin | 40 |
2 |
| Other owners | 71 |