- Sections
- F - Mécaniqueéclairagechauffagearmementsautage
- F04B - "machines" à liquides à déplacement positifpompes
- F04B 23/04 - Combinaisons de plusieurs pompes
Détention brevets de la classe F04B 23/04
Brevets de cette classe: 548
Historique des publications depuis 10 ans
|
27
|
45
|
47
|
56
|
52
|
55
|
48
|
53
|
40
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20862 |
41 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 213 |
25 |
| US Well Services LLC | 227 |
22 |
| Schlumberger Technology Corporation | 10673 |
15 |
| Robert Bosch GmbH | 42632 |
12 |
| Caterpillar Inc. | 9530 |
12 |
| Vermeer Manufacturing Company | 634 |
8 |
| Murata Manufacturing Co., Ltd. | 24465 |
7 |
| SPM Oil & Gas Inc. | 325 |
7 |
| Saudi Arabian Oil Company | 12997 |
6 |
| Typhon Technology Solutions, LLC | 48 |
6 |
| Typhon Technology Solutions (U.S.), LLC | 94 |
6 |
| Repligen Corporation | 283 |
5 |
| Schlumberger Canada Limited | 7283 |
4 |
| Deere & Company | 7575 |
4 |
| GM Global Technology Operations LLC | 14968 |
4 |
| Hyundai Motor Company | 21897 |
4 |
| Life Technologies Corporation | 3286 |
4 |
| DEKA Products Limited Partnership | 1763 |
4 |
| Fluid Handling LLC | 245 |
4 |
| Autres propriétaires | 348 |