- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- 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: 89
10-year publication summary
|
9
|
14
|
13
|
11
|
12
|
7
|
3
|
5
|
4
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| I-jack Technologies Incorporated | 24 |
10 |
| WABCO Europe BVBA | 220 |
6 |
| ZF CV Systems Europe BV | 784 |
5 |
| Hitachi Automotive Systems, Ltd. | 3955 |
3 |
| Daikin Industries, Ltd. | 10106 |
3 |
| TPE Midstream LLC | 56 |
3 |
| WABCO GmbH | 474 |
3 |
| Shimadzu Corporation | 6193 |
2 |
| Terumo Kabushiki Kaisha | 5623 |
2 |
| Ikiken Co., Ltd. | 15 |
2 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1468 |
2 |
| Leobersdorfer Maschinenfabrik AG | 8 |
2 |
| Maximator GmbH | 19 |
2 |
| Optimum Power Technology, L.P. | 6 |
2 |
| Yugen Kaisha K. R & D | 7 |
2 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 514 |
2 |
| z Mechanism Technology Institute Co., Ltd. | 8 |
2 |
| Nuovo Pignone Tecnologie S.r.l. | 1004 |
2 |
| Koki Holdings Co.,Ltd | 896 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8803 |
1 |
| Other owners | 31 |