- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- 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: 526
10-year publication summary
|
37
|
53
|
72
|
59
|
70
|
64
|
39
|
31
|
31
|
9
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40162 |
52 |
| Graco Minnesota Inc. | 1080 |
17 |
| Denso Corporation | 23107 |
12 |
| Becton, Dickinson and Company | 6101 |
10 |
| Aperia Technologies, Inc. | 34 |
10 |
| Continental Automotive GmbH | 5866 |
8 |
| Continental Teves AG & Co. oHG | 2528 |
8 |
| Swissinnov Product SARL | 14 |
8 |
| Sensile Medical AG | 50 |
8 |
| Eveon | 36 |
7 |
| Cummins Inc. | 2146 |
6 |
| Aktiebolaget SKF | 2564 |
5 |
| Artemis Intelligent Power Limited | 111 |
5 |
| Delphi International Operations Luxembourg S.à R.L. | 234 |
5 |
| Hitachi Astemo, Ltd. | 4992 |
5 |
| Halliburton Energy Services, Inc. | 19720 |
4 |
| Hitachi Automotive Systems, Ltd. | 4003 |
4 |
| Schaeffler Technologies AG & Co. KG | 8469 |
4 |
| Enfield Engine Company, LLC | 8 |
4 |
| Forum US, Inc. | 343 |
4 |
| Other owners | 340 |