- 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: 70
10-year publication summary
|
7
|
5
|
5
|
5
|
6
|
0
|
2
|
0
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Graco Minnesota Inc. | 1186 |
4 |
| National Oilwell Varco, L.P. | 1661 |
3 |
| Robert Bosch GmbH | 42614 |
2 |
| Koganei Corporation | 217 |
2 |
| Monkey Pumps, LLC | 7 |
2 |
| Tazmo Co., Ltd. | 60 |
2 |
| Wagner Spray Tech Corporation | 391 |
2 |
| Wanner Engineering, Inc. | 54 |
2 |
| Petro Hydraulic Lift System, L.L.C. | 2 |
2 |
| Schlumberger Technology Corporation | 10662 |
1 |
| Schlumberger Canada Limited | 7273 |
1 |
| Schlumberger Technology B.v. | 5161 |
1 |
| Sanofi-Aventis Deutschland GmbH | 2632 |
1 |
| Continental Automotive GmbH | 5018 |
1 |
| Daikin Industries, Ltd. | 9973 |
1 |
| Chevron U.S.A. Inc. | 3947 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10922 |
1 |
| Air Products and Chemicals, Inc. | 1416 |
1 |
| Bran+Luebbe GmbH | 3 |
1 |
| BT Products AB | 11 |
1 |
| Other owners | 38 |