- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- 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: 111
10-year publication summary
|
16
|
11
|
9
|
10
|
7
|
8
|
3
|
8
|
1
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
17 |
| Black & Decker, Inc. | 2402 |
14 |
| National Oilwell Varco, L.P. | 1604 |
7 |
| Hydro-Gear Limited Partnership | 355 |
5 |
| Eaton Intelligent Power Limited | 6113 |
4 |
| Eaton Corporation | 1839 |
3 |
| Dosatron International | 68 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Caterpillar Inc. | 8877 |
2 |
| Continental Automotive GmbH | 5573 |
2 |
| Bausch + Strobel Maschinenfabrik Ilshofen GmbH & Co. KG | 53 |
2 |
| Cummins Inc. | 2369 |
2 |
| Intex Marketing Ltd. | 209 |
2 |
| Micropump, Inc. | 22 |
2 |
| Schwing GmbH | 107 |
2 |
| Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1407 |
2 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
2 |
| Schlumberger Technology Corporation | 9690 |
1 |
| Denso Corporation | 23338 |
1 |
| Aisin AW Co., Ltd. | 2430 |
1 |
| Other owners | 35 |