- 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: 312
Historique des publications depuis 10 ans
|
37
|
38
|
30
|
21
|
31
|
24
|
21
|
26
|
22
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21305 |
16 |
| Grundfos Holding A/S | 607 |
10 |
| Skier's Choice, Inc. | 44 |
8 |
| Schweitzer Engineering Laboratories, Inc. | 906 |
7 |
| State Farm Mutual Automobile Insurance Company | 3431 |
7 |
| Hamilton Sundstrand Corporation | 5013 |
6 |
| Pierburg GmbH | 479 |
5 |
| Industrial Flow Solutions Operating, LLC | 95 |
5 |
| Schlumberger Technology Corporation | 11839 |
4 |
| Schlumberger Canada Limited | 7609 |
4 |
| Deere & Company | 8127 |
4 |
| Edwards Limited | 774 |
4 |
| Nidec GPM GmbH | 143 |
4 |
| Transocean Innovation Labs Ltd | 43 |
4 |
| Baker Hughes Holdings LLC | 3023 |
4 |
| Honda Motor Co., Ltd. | 26064 |
3 |
| Caterpillar Inc. | 10285 |
3 |
| The United States of America as represented by the Secretary of the Navy | 2859 |
3 |
| Hewlett Packard Enterprise Development LP | 11507 |
3 |
| Cooler Master Co., Ltd. | 266 |
3 |
| Autres propriétaires | 205 |