- Sections
- F - Mécaniqueéclairagechauffagearmementsautage
- F04D - Pompes à déplacement non positif
- F04D 13/12 - Combinaisons de plusieurs pompes
Détention brevets de la classe F04D 13/12
Brevets de cette classe: 306
Historique des publications depuis 10 ans
|
35
|
36
|
27
|
20
|
30
|
24
|
21
|
22
|
20
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21154 |
16 |
| Grundfos Holding A/S | 585 |
10 |
| Skier's Choice, Inc. | 44 |
8 |
| Schweitzer Engineering Laboratories, Inc. | 907 |
7 |
| State Farm Mutual Automobile Insurance Company | 3299 |
7 |
| Hamilton Sundstrand Corporation | 5013 |
6 |
| Pierburg GmbH | 470 |
5 |
| Schlumberger Technology Corporation | 11436 |
4 |
| Schlumberger Canada Limited | 7552 |
4 |
| Deere & Company | 7884 |
4 |
| Edwards Limited | 784 |
4 |
| Nidec GPM GmbH | 141 |
4 |
| Transocean Innovation Labs Ltd | 43 |
4 |
| Industrial Flow Solutions Operating, LLC | 81 |
4 |
| Baker Hughes Holdings LLC | 2982 |
4 |
| Honda Motor Co., Ltd. | 25840 |
3 |
| Caterpillar Inc. | 10058 |
3 |
| The United States of America as represented by the Secretary of the Navy | 2828 |
3 |
| Hewlett Packard Enterprise Development LP | 10835 |
3 |
| Cooler Master Co., Ltd. | 251 |
3 |
| Autres propriétaires | 200 |