- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 9/111 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers with two mechanically connected pumping members
Patent holdings for IPC class F04B 9/111
Total number of patents in this class: 26
10-year publication summary
|
6
|
4
|
2
|
2
|
4
|
3
|
0
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21036 |
4 |
| Ameriforge Group Inc. | 39 |
3 |
| Zhengzhou Sanhua Technology & Industry Co., Ltd. | 35 |
3 |
| Robert Bosch GmbH | 42861 |
1 |
| Schaeffler Technologies AG & Co. KG | 10056 |
1 |
| I-jack Technologies Incorporated | 24 |
1 |
| Maximator GmbH | 20 |
1 |
| Oerlikon Textile GmbH & Co. KG | 577 |
1 |
| Renergy Technologies Ltd. | 1 |
1 |
| Shenzhen Yhlo Biotech Co., Ltd. | 79 |
1 |
| Fugro-improv Pty Ltd | 1 |
1 |
| Udiflow Limited | 1 |
1 |
| Extiel Hdc, Llс | 1 |
1 |
| Naiads (Shenzhen) Tech Co., Ltd. | 1 |
1 |
| VAN DER WALT, Louis, Stephanus | 58 |
1 |
| Wärtsilä Services Switzerland Ltd | 7 |
1 |
| Fugro-improv Pty Ltd | 1 |
1 |
| CASTRO ARRIAGADA, Luis Osvaldo | 9 |
1 |
| Centerline Manufacturing LLC | 2 |
1 |
| Other owners | 0 |