- 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: 118
10-year publication summary
|
9
|
10
|
7
|
7
|
3
|
8
|
2
|
4
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44094 |
17 |
| Black & Decker, Inc. | 2443 |
15 |
| Dosatron International | 70 |
7 |
| National Oilwell Varco, L.P. | 1699 |
6 |
| Hydro-Gear Limited Partnership | 330 |
5 |
| Eaton Intelligent Power Limited | 6227 |
4 |
| Eaton Corporation | 1806 |
3 |
| Intex Marketing Ltd. | 253 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9099 |
2 |
| Caterpillar Inc. | 10269 |
2 |
| Continental Automotive GmbH | 4519 |
2 |
| Bausch + Strobel Maschinenfabrik Ilshofen GmbH & Co. KG | 50 |
2 |
| Cummins Inc. | 2626 |
2 |
| Micropump, Inc. | 23 |
2 |
| Schwing GmbH | 122 |
2 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 474 |
2 |
| Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1353 |
2 |
| Nuovo Pignone Tecnologie S.r.l. | 1197 |
2 |
| Schlumberger Technology Corporation | 11767 |
1 |
| Denso Corporation | 25495 |
1 |
| Other owners | 36 |