- Sections
- F - Mécaniqueéclairagechauffagearmementsautage
- F04B - "machines" à liquides à déplacement positifpompes
- F04B 53/18 - Lubrification
Détention brevets de la classe F04B 53/18
Brevets de cette classe: 414
Historique des publications depuis 10 ans
|
31
|
33
|
39
|
27
|
28
|
50
|
41
|
41
|
41
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Robert Bosch GmbH | 42677 |
28 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 453 |
27 |
| Graco Minnesota Inc. | 1198 |
19 |
| Kerr Machine Co. | 142 |
18 |
| SPM Oil & Gas Inc. | 327 |
15 |
| LG Electronics Inc. | 73210 |
13 |
| Carrier Corporation | 4297 |
6 |
| Sichuan Honghua Petroleum Equipment Co. Ltd. | 76 |
6 |
| PSI Pressure Systems LLC | 10 |
6 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 215 |
6 |
| Halliburton Energy Services, Inc. | 20908 |
5 |
| Obotics Inc. | 50 |
5 |
| Wartsila Finland Oy | 741 |
5 |
| Baker Hughes Oilfield Operations, LLC | 2313 |
5 |
| Delphi Technologies IP Limited | 317 |
5 |
| FNA Group, Inc. | 166 |
4 |
| RPM Industries, LLC | 69 |
4 |
| SKF Lubrication Systems Germany GmbH | 53 |
4 |
| Tier 1 Energy Solutions Inc. | 65 |
4 |
| Volvo Truck Corporation | 3418 |
4 |
| Autres propriétaires | 225 |