- 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: 172
10-year publication summary
|
12
|
9
|
11
|
8
|
5
|
6
|
4
|
11
|
11
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThyssenKrupp AG | 3328 |
26 |
| ThyssenKrupp Dynamic Components GmbH | 55 |
23 |
| Westinghouse Air Brake Technologies Corporation | 486 |
9 |
| Robert Bosch GmbH | 44363 |
6 |
| Carrier Corporation | 3962 |
6 |
| Copeland LP | 716 |
6 |
| GEA Bock GmbH | 15 |
4 |
| WABCO GmbH | 452 |
4 |
| Schaeffler Technologies GmbH & Co. KG | 847 |
3 |
| Cobham Mission Systems Davenport LSS Inc. | 66 |
3 |
| Daikin Industries, Ltd. | 10527 |
2 |
| Agilent Technologies, Inc. | 2643 |
2 |
| Lear Corporation | 1375 |
2 |
| Mayekawa Mfg. Co., Ltd. | 371 |
2 |
| Nabtesco Automotive Corporation | 128 |
2 |
| Officine Mario Dorin S.p.A. | 28 |
2 |
| MSL Compressor Co., Ltd. | 3 |
2 |
| thyssenkrupp Presta Ilsenburg GmbH | 11 |
2 |
| ZF CV Systems Europe BV | 824 |
2 |
| Arizaga Bastarrica y Compañia SA | 3 |
2 |
| Other owners | 62 |