- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 9/107 - 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 only one pumping chamber rectilinear movement of the pumping member in the working direction being obtained by a single-acting liquid motor, e.g. actuated in the other direction by gravity or a spring
Patent holdings for IPC class F04B 9/107
Total number of patents in this class: 49
10-year publication summary
|
4
|
11
|
6
|
9
|
5
|
3
|
3
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dosatron International | 68 |
9 |
| Whirlpool Corporation | 4327 |
3 |
| LG Electronics Inc. | 70957 |
2 |
| Arkling Limited | 7 |
2 |
| I-jack Technologies Incorporated | 23 |
2 |
| Mcnichol, Richard Frederick | 3 |
2 |
| Robert Bosch GmbH | 41765 |
1 |
| Caterpillar Inc. | 9158 |
1 |
| Weatherford Technology Holdings, LLC | 2105 |
1 |
| Aramco Services Company | 3744 |
1 |
| Carnegie Mellon University | 1468 |
1 |
| Chart Inc. | 135 |
1 |
| ConocoPhillips Company | 1677 |
1 |
| Cryostar SAS | 114 |
1 |
| Fico Transpar, S.A. | 17 |
1 |
| Lincoln GmbH | 34 |
1 |
| Mhwirth GmbH | 54 |
1 |
| OneSubsea IP UK Limited | 399 |
1 |
| Peugeot Citroen Automobiles SA | 1844 |
1 |
| Pleiger Maschinenbau GmbH & Co. KG | 10 |
1 |
| Other owners | 15 |