- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 9/04 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
Patent holdings for IPC class F04B 9/04
Total number of patents in this class: 583
10-year publication summary
|
59
|
67
|
61
|
36
|
36
|
36
|
33
|
34
|
21
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43385 |
52 |
| Graco Minnesota Inc. | 1245 |
29 |
| Becton, Dickinson and Company | 7514 |
20 |
| Denso Corporation | 25062 |
11 |
| Aperia Technologies, Inc. | 53 |
10 |
| Sensile Medical AG | 117 |
9 |
| Continental Automotive GmbH | 4662 |
8 |
| Swissinnov Product SARL | 12 |
8 |
| Cummins-scania Hpcr System, LLC | 101 |
7 |
| Aktiebolaget SKF | 3053 |
6 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4048 |
6 |
| Milwaukee Electric Tool Corporation | 4730 |
6 |
| Hitachi Astemo, Ltd. | 6389 |
6 |
| ZF CV Systems Europe BV | 806 |
6 |
| Artemis Intelligent Power Limited | 97 |
5 |
| Eveon | 39 |
5 |
| Delphi International Operations Luxembourg S.à R.L. | 235 |
5 |
| Halliburton Energy Services, Inc. | 21144 |
4 |
| Hitachi Automotive Systems, Ltd. | 3954 |
4 |
| Continental Teves AG & Co. oHG | 1505 |
4 |
| Other owners | 372 |