- Sections
- F - éclairage; chauffage; armement; sautage
- F04D - Pompes à déplacement non positif
- F04D 29/06 - Lubrification
Détention brevets de la classe F04D 29/06
Brevets de cette classe: 287
Historique des publications depuis 10 ans
|
28
|
31
|
30
|
24
|
30
|
31
|
31
|
20
|
18
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Nidec GPM GmbH | 152 |
14 |
| Sulzer Management AG | 613 |
13 |
| Baker Hughes Incorporated | 5689 |
8 |
| United Technologies Corporation | 2328 |
8 |
| Baker Hughes, a GE Company, LLC | 2171 |
8 |
| KSB SE & Co. KGaA | 628 |
6 |
| Extract Companies LLC | 17 |
6 |
| Saudi Arabian Oil Company | 11322 |
5 |
| Baker Hughes Holdings LLC | 3060 |
5 |
| Schlumberger Canada Limited | 6913 |
4 |
| Carrier Corporation | 4759 |
4 |
| Flowserve Management Company | 339 |
4 |
| Upwing Energy LLC | 41 |
4 |
| Baker Hughes Oilfield Operations, LLC | 1885 |
4 |
| Rtx Corporation | 8674 |
4 |
| Schlumberger Technology Corporation | 9690 |
3 |
| LG Electronics Inc. | 69257 |
3 |
| Hamilton Sundstrand Corporation | 4525 |
3 |
| Assoma Inc. | 12 |
3 |
| BL Technologies, Inc. | 831 |
3 |
| Autres propriétaires | 175 |