- Sections
- F - éclairage; chauffage; armement; sautage
- F04B - "machines" à liquides à déplacement positif; pompes
- F04B 23/04 - Combinaisons de plusieurs pompes
Détention brevets de la classe F04B 23/04
Brevets de cette classe: 515
Historique des publications depuis 10 ans
19
|
27
|
45
|
47
|
56
|
51
|
52
|
44
|
51
|
12
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
Proprétaire |
Total
|
Cette classe
|
---|---|---|
Halliburton Energy Services, Inc. | 20165 |
37 |
BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 196 |
21 |
US Well Services LLC | 212 |
19 |
Schlumberger Technology Corporation | 9690 |
15 |
Robert Bosch GmbH | 40953 |
11 |
Caterpillar Inc. | 8877 |
10 |
Murata Manufacturing Co., Ltd. | 22355 |
7 |
Vermeer Manufacturing Company | 615 |
7 |
SPM Oil & Gas Inc. | 304 |
7 |
Hyundai Motor Company | 19021 |
6 |
Saudi Arabian Oil Company | 11322 |
6 |
Typhon Technology Solutions, LLC | 53 |
6 |
Hydro-Gear Limited Partnership | 355 |
5 |
Repligen Corporation | 258 |
5 |
Grow Solutions Tech LLC | 112 |
5 |
Schlumberger Canada Limited | 6913 |
4 |
GM Global Technology Operations LLC | 13620 |
4 |
Life Technologies Corporation | 3068 |
4 |
Fluid Handling LLC | 241 |
4 |
Forum US, Inc. | 315 |
4 |
Autres propriétaires | 328 |