- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 1/12 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
Patent holdings for IPC class F04B 1/12
Total number of patents in this class: 251
10-year publication summary
|
40
|
48
|
43
|
21
|
19
|
15
|
10
|
7
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
50 |
| Caterpillar Inc. | 8877 |
15 |
| Kawasaki Heavy Industries, Limited | 1524 |
7 |
| Komatsu Ltd. | 4265 |
6 |
| Active Products Inc. | 21 |
6 |
| Alfred Kärcher GmbH & Co. KG | 398 |
5 |
| HYDAC Drive Center GmbH | 15 |
5 |
| Brueninghaus Hydromatik GmbH | 48 |
4 |
| Hanon Systems | 1632 |
4 |
| MAHLE International GmbH | 2670 |
4 |
| Poclain Hydraulics Industrie | 223 |
4 |
| Hamilton Sundstrand Corporation | 4525 |
3 |
| Hyundai Construction Equipment | 4 |
3 |
| Danfoss A/S | 1259 |
3 |
| Mixtron S.r.l. | 21 |
3 |
| Continental Automotive GmbH | 5573 |
2 |
| Toyota Industries Corporation | 1010 |
2 |
| Alfred Kaercher GmbH & Co. KG | 130 |
2 |
| Annovi Reverberi S.p.A. | 63 |
2 |
| Artemis Intelligent Power Limited | 106 |
2 |
| Other owners | 119 |