- 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: 181
10-year publication summary
|
17
|
12
|
18
|
17
|
12
|
5
|
14
|
9
|
16
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wanner Engineering, Inc. | 57 |
16 |
| Mhwirth GmbH | 57 |
12 |
| Precision Planting LLC | 1193 |
10 |
| Prominent GmbH | 98 |
10 |
| Fresenius Medical Care Deutschland GmbH | 2231 |
7 |
| Dosatron International | 71 |
6 |
| Tetra Laval Holdings & Finance S.A. | 2228 |
6 |
| Teledyne Digital Imaging US, Inc. | 64 |
6 |
| Nel Hydrogen A/S | 36 |
5 |
| GEA Mechanical Equipment Italia S.p.A. | 83 |
4 |
| Linde Aktiengesellschaft | 1424 |
3 |
| Milton Roy Europe | 15 |
3 |
| Nikkiso Co., Ltd. | 791 |
3 |
| Prominent Dosiertechnik GmbH | 8 |
3 |
| Repligen Corporation | 297 |
3 |
| Thomas Magnete GmbH | 54 |
3 |
| Carnegie Mellon University | 1619 |
2 |
| Chen, Chung-chin | 35 |
2 |
| FELUWA Pumpen GmbH | 16 |
2 |
| Joe Santa & Associates Pty Limited | 15 |
2 |
| Other owners | 73 |