- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 27/12 - Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having plural sets of cylinders or pistons
Patent holdings for IPC class F04B 27/12
Total number of patents in this class: 97
10-year publication summary
|
14
|
21
|
19
|
14
|
11
|
6
|
2
|
1
|
5
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sanden Automotive Components Corporation | 158 |
19 |
| Valeo Japan Co., Ltd. | 302 |
9 |
| Kabushiki Kaisha Toyota Jidoshokki | 1750 |
9 |
| Taiho Kogyo Co., Ltd. | 330 |
8 |
| NTN Corporation | 4980 |
4 |
| Toyota Industries Corporation | 1106 |
4 |
| BITZER Refrigeration Technology (China) Co., Ltd. | 9 |
4 |
| Sanden Corporation | 966 |
3 |
| Sanden Holdings Corporation | 208 |
3 |
| Zhengzhou Sanhua Technology & Industry Co., Ltd. | 32 |
3 |
| CAIRE Inc. | 77 |
3 |
| Shimadzu Corporation | 6150 |
2 |
| Bitzer Kuehlmaschinenbau GmbH | 152 |
2 |
| Duke Engines Limited | 6 |
2 |
| Shenzhen Mindray Scientific Co., Ltd. | 232 |
2 |
| Samsung Electronics Co., Ltd. | 144675 |
1 |
| Agency for Defense Development | 431 |
1 |
| Dong-A Automotive Co., Ltd. | 3 |
1 |
| Hanon Systems | 1912 |
1 |
| The Japan Steel Works, Ltd. | 741 |
1 |
| Other owners | 15 |