- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 1/04 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
Patent holdings for IPC class F04B 1/04
Total number of patents in this class: 747
10-year publication summary
|
82
|
74
|
57
|
46
|
17
|
13
|
5
|
3
|
2
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42684 |
295 |
| Continental Automotive GmbH | 4775 |
38 |
| Poclain Hydraulics Industrie | 240 |
24 |
| Denso Corporation | 24316 |
19 |
| Aktiebolaget SKF | 2948 |
16 |
| Schaeffler Technologies AG & Co. KG | 9882 |
15 |
| Delphi International Operations Luxembourg S.à R.L. | 235 |
13 |
| Artemis Intelligent Power Limited | 100 |
11 |
| Graco Minnesota Inc. | 1195 |
10 |
| Delphi Technologies IP Limited | 317 |
10 |
| Carrier Corporation | 4344 |
9 |
| PHINIA Jersey Holdings LLC | 363 |
8 |
| Phinia Holdings Jersey Ltd | 314 |
8 |
| Caterpillar Inc. | 9549 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8725 |
6 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
6 |
| Cummins Inc. | 2585 |
6 |
| Nippon Soken, Inc. | 308 |
6 |
| SPM Oil & Gas Inc. | 326 |
6 |
| Continental Teves AG & Co. oHG | 1573 |
5 |
| Other owners | 229 |