- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 53/18 - Lubricating
Patent holdings for IPC class F04B 53/18
Total number of patents in this class: 361
10-year publication summary
40
|
31
|
33
|
39
|
28
|
28
|
50
|
40
|
37
|
12
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 40953 |
29 |
Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 396 |
20 |
Graco Minnesota Inc. | 1124 |
17 |
SPM Oil & Gas Inc. | 304 |
13 |
LG Electronics Inc. | 69257 |
12 |
Kerr Machine Co. | 98 |
9 |
Carrier Corporation | 4759 |
6 |
PSI Pressure Systems LLC | 10 |
6 |
Delphi Technologies IP Limited | 1081 |
6 |
BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 196 |
6 |
Baker Hughes Oilfield Operations, LLC | 1885 |
5 |
Komatsu Ltd. | 4265 |
4 |
FNA Group, Inc. | 150 |
4 |
Obotics Inc. | 48 |
4 |
RPM Industries, LLC | 65 |
4 |
Sichuan Honghua Petroleum Equipment Co. Ltd. | 71 |
4 |
Volvo Truck Corporation | 2764 |
4 |
Wartsila Finland Oy | 740 |
4 |
Liberty Advanced Equipment Technologies LLC | 18 |
4 |
Halliburton Energy Services, Inc. | 20165 |
3 |
Other owners | 197 |