- 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: 714
10-year publication summary
|
74
|
57
|
48
|
17
|
13
|
5
|
3
|
3
|
5
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44160 |
281 |
| Continental Automotive GmbH | 4503 |
29 |
| Poclain Hydraulics Industrie | 246 |
20 |
| Denso Corporation | 25534 |
19 |
| Aktiebolaget SKF | 3128 |
16 |
| Schaeffler Technologies AG & Co. KG | 10968 |
15 |
| Delphi International Operations Luxembourg S.à R.L. | 235 |
13 |
| Artemis Intelligent Power Limited | 89 |
11 |
| Graco Minnesota Inc. | 1280 |
10 |
| Delphi Technologies IP Limited | 290 |
10 |
| Carrier Corporation | 3955 |
9 |
| PHINIA Jersey Holdings LLC | 373 |
8 |
| Phinia Holdings Jersey Ltd | 300 |
8 |
| Caterpillar Inc. | 10267 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
6 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
6 |
| Nippon Soken, Inc. | 271 |
6 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 230 |
6 |
| SPM Oil & Gas Inc. | 360 |
6 |
| Delphi Technologies Holding S.arl | 55 |
5 |
| Other owners | 223 |