- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 9/08 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
Patent holdings for IPC class F04B 9/08
Total number of patents in this class: 60
10-year publication summary
|
5
|
5
|
5
|
6
|
0
|
2
|
0
|
2
|
1
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| National Oilwell Varco, L.P. | 1700 |
3 |
| Robert Bosch GmbH | 44327 |
2 |
| Monkey Pumps, LLC | 7 |
2 |
| Tazmo Co., Ltd. | 78 |
2 |
| Wagner Spray Tech Corporation | 386 |
2 |
| Schlumberger Technology Corporation | 11940 |
1 |
| Schlumberger Canada Limited | 7610 |
1 |
| Schlumberger Technology B.v. | 5287 |
1 |
| Sanofi-Aventis Deutschland GmbH | 2587 |
1 |
| Continental Automotive GmbH | 4448 |
1 |
| Daikin Industries, Ltd. | 10514 |
1 |
| Chevron U.S.A. Inc. | 4170 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11130 |
1 |
| Henkel AG & Co. KGaA | 10777 |
1 |
| BT Products AB | 11 |
1 |
| CKD Corporation | 470 |
1 |
| Dajustco IP Holdings Inc. | 36 |
1 |
| Fluid Equipment Development Company, LLC | 90 |
1 |
| Fuji Filter Manufacturing Co., Ltd. | 56 |
1 |
| Graco Minnesota Inc. | 1286 |
1 |
| Other owners | 34 |