- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 53/18 - Lubricating
Patent holdings for IPC class F04B 53/18
Total number of patents in this class: 445
10-year publication summary
|
33
|
39
|
28
|
28
|
50
|
42
|
40
|
41
|
39
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44254 |
32 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 476 |
29 |
| Graco Minnesota Inc. | 1286 |
20 |
| Kerr Machine Co. | 177 |
19 |
| SPM Oil & Gas Inc. | 360 |
16 |
| LG Electronics Inc. | 75855 |
12 |
| Sichuan Honghua Petroleum Equipment Co. Ltd. | 78 |
7 |
| Carrier Corporation | 3947 |
6 |
| PSI Pressure Systems LLC | 10 |
6 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 230 |
6 |
| Halliburton Energy Services, Inc. | 21309 |
5 |
| Energy Recovery, Inc. | 191 |
5 |
| Obotics Inc. | 46 |
5 |
| RPM Industries, LLC | 80 |
5 |
| Tier 1 Energy Solutions Inc. | 86 |
5 |
| Wartsila Finland Oy | 754 |
5 |
| Yantai Jereh Oilfield Services Group Co., Ltd. | 92 |
5 |
| Baker Hughes Oilfield Operations, LLC | 2543 |
5 |
| Delphi Technologies IP Limited | 290 |
5 |
| GD Energy Products, LLC | 140 |
5 |
| Other owners | 242 |