- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 27/04 - Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
Patent holdings for IPC class F04B 27/04
Total number of patents in this class: 138
10-year publication summary
|
6
|
11
|
9
|
11
|
8
|
5
|
5
|
4
|
10
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThyssenKrupp AG | 3336 |
13 |
| ThyssenKrupp Dynamic Components GmbH | 28 |
10 |
| Westinghouse Air Brake Technologies Corporation | 502 |
9 |
| Robert Bosch GmbH | 43063 |
6 |
| Carrier Corporation | 4009 |
6 |
| GEA Bock GmbH | 15 |
4 |
| WABCO GmbH | 472 |
4 |
| Schaeffler Technologies GmbH & Co. KG | 846 |
3 |
| Cobham Mission Systems Davenport LSS Inc. | 71 |
3 |
| Copeland LP | 693 |
3 |
| Daikin Industries, Ltd. | 10166 |
2 |
| Mayekawa Mfg. Co., Ltd. | 333 |
2 |
| Nabtesco Automotive Corporation | 128 |
2 |
| Officine Mario Dorin S.p.A. | 25 |
2 |
| MSL Compressor Co., Ltd. | 3 |
2 |
| thyssenkrupp Presta Ilsenburg GmbH | 15 |
2 |
| Hitachi Astemo, Ltd. | 6371 |
2 |
| ZF CV Systems Europe BV | 792 |
2 |
| Invenio Lab ApS | 4 |
2 |
| Arizaga Bastarrica y Compañia SA | 2 |
2 |
| Other owners | 57 |