- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 1/122 - 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: 43
10-year publication summary
|
1
|
2
|
5
|
8
|
2
|
4
|
7
|
7
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kerr Machine Co. | 175 |
10 |
| Robert Bosch GmbH | 44160 |
3 |
| Vulcan Industrial Holdings LLC | 81 |
3 |
| GD Energy Products, LLC | 138 |
3 |
| Danfoss Power Solutions Inc. | 110 |
2 |
| Liebherr Machines Bulle SA | 50 |
2 |
| Parker-Hannifin Corporation | 1035 |
2 |
| Active Products Inc. | 25 |
1 |
| Bentec GmbH Drilling & Oilfield Systems | 39 |
1 |
| Bosch Rexroth Corporation | 19 |
1 |
| Danfoss Power Solutions GmbH & Co. OHG | 73 |
1 |
| Firstelement Fuel Inc. | 32 |
1 |
| Goodrich Actuation Systems SAS | 185 |
1 |
| KYB Corporation | 1422 |
1 |
| National Oilwell Varco, L.P. | 1699 |
1 |
| Valeo Japan Co., Ltd. | 311 |
1 |
| Volkswagen AG | 7461 |
1 |
| Yanshan University | 157 |
1 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 474 |
1 |
| Nextier Completion Solutions Inc. | 52 |
1 |
| Other owners | 5 |