- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 23/10 - Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type
Patent holdings for IPC class F04B 23/10
Total number of patents in this class: 115
10-year publication summary
|
11
|
9
|
10
|
7
|
7
|
3
|
8
|
2
|
4
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42684 |
17 |
| Black & Decker, Inc. | 2409 |
15 |
| National Oilwell Varco, L.P. | 1669 |
6 |
| Dosatron International | 71 |
5 |
| Hydro-Gear Limited Partnership | 344 |
5 |
| Eaton Intelligent Power Limited | 5989 |
4 |
| Eaton Corporation | 1820 |
3 |
| Hyundai Heavy Industries Co., Ltd. | 274 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8725 |
2 |
| Caterpillar Inc. | 9549 |
2 |
| Continental Automotive GmbH | 4775 |
2 |
| Bausch + Strobel Maschinenfabrik Ilshofen GmbH & Co. KG | 51 |
2 |
| Cummins Inc. | 2585 |
2 |
| Intex Marketing Ltd. | 232 |
2 |
| Micropump, Inc. | 21 |
2 |
| Schwing GmbH | 114 |
2 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 453 |
2 |
| Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1399 |
2 |
| Nuovo Pignone Tecnologie S.r.l. | 978 |
2 |
| Schlumberger Technology Corporation | 10727 |
1 |
| Other owners | 34 |