- 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: 606
10-year publication summary
|
59
|
70
|
64
|
40
|
36
|
45
|
35
|
39
|
24
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44363 |
51 |
| Graco Minnesota Inc. | 1288 |
33 |
| Becton, Dickinson and Company | 7581 |
20 |
| Denso Corporation | 25799 |
11 |
| Aperia Technologies, Inc. | 55 |
10 |
| Sensile Medical AG | 126 |
9 |
| Swissinnov Product SARL | 12 |
8 |
| Cummins-scania Hpcr System, LLC | 105 |
8 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4141 |
7 |
| Aktiebolaget SKF | 3156 |
6 |
| Milwaukee Electric Tool Corporation | 5066 |
6 |
| Hitachi Astemo, Ltd. | 6431 |
6 |
| ZF CV Systems Europe BV | 824 |
6 |
| Artemis Intelligent Power Limited | 88 |
5 |
| CareFusion 303, Inc. | 2414 |
5 |
| Eveon | 36 |
5 |
| Insulet Corporation | 950 |
5 |
| Delphi International Operations Luxembourg S.à R.L. | 235 |
5 |
| Halliburton Energy Services, Inc. | 21299 |
4 |
| Hitachi Automotive Systems, Ltd. | 3954 |
4 |
| Other owners | 392 |