- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 27/02 - Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders arranged oppositely relative to main shaft
Patent holdings for IPC class F04B 27/02
Total number of patents in this class: 84
10-year publication summary
|
9
|
15
|
14
|
12
|
12
|
7
|
3
|
5
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| I-jack Technologies Incorporated | 23 |
10 |
| WABCO Europe BVBA | 225 |
6 |
| ZF CV Systems Europe BV | 737 |
5 |
| Hitachi Automotive Systems, Ltd. | 3962 |
3 |
| Daikin Industries, Ltd. | 9810 |
3 |
| WABCO GmbH | 478 |
3 |
| Shimadzu Corporation | 5999 |
2 |
| Terumo Kabushiki Kaisha | 5382 |
2 |
| Ikiken Co., Ltd. | 15 |
2 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1402 |
2 |
| Leobersdorfer Maschinenfabrik AG | 8 |
2 |
| Maximator GmbH | 17 |
2 |
| Optimum Power Technology, L.P. | 7 |
2 |
| Yugen Kaisha K. R & D | 8 |
2 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 494 |
2 |
| z Mechanism Technology Institute Co., Ltd. | 8 |
2 |
| Koki Holdings Co.,Ltd | 856 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8515 |
1 |
| Mitsubishi Electric Corporation | 44738 |
1 |
| Continental Teves AG & Co. oHG | 1641 |
1 |
| Other owners | 29 |