- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 1/122 - 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 - Details or component parts, e.g. valves, sealings or lubrication means
Patent holdings for IPC class F04B 1/122
Total number of patents in this class: 36
10-year publication summary
|
0
|
1
|
2
|
5
|
8
|
2
|
4
|
7
|
7
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kerr Machine Co. | 117 |
8 |
| GD Energy Products, LLC | 91 |
3 |
| Danfoss Power Solutions Inc. | 113 |
2 |
| Liebherr Machines Bulle SA | 46 |
2 |
| Vulcan Industrial Holdings LLC | 47 |
2 |
| Robert Bosch GmbH | 41717 |
1 |
| The Regents of the University of Michigan | 4570 |
1 |
| Bentec GmbH Drilling & Oilfield Systems | 36 |
1 |
| Danfoss Power Solutions GmbH & Co. OHG | 72 |
1 |
| Goodrich Actuation Systems SAS | 149 |
1 |
| HYDAC Drive Center GmbH | 15 |
1 |
| KYB Corporation | 1322 |
1 |
| National Oilwell Varco, L.P. | 1625 |
1 |
| Parker-Hannifin Corporation | 1021 |
1 |
| Rabhi, Vianney | 34 |
1 |
| Volkswagen AG | 7271 |
1 |
| Yanshan University | 140 |
1 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 427 |
1 |
| Dana Motion Systems Italia S.r.l. | 101 |
1 |
| Gartech, LLC | 18 |
1 |
| Other owners | 4 |