- 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: 297
Historique des publications depuis 10 ans
|
22
|
35
|
36
|
27
|
20
|
29
|
24
|
21
|
20
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20964 |
16 |
| Grundfos Holding A/S | 564 |
10 |
| Skier's Choice, Inc. | 43 |
8 |
| Schweitzer Engineering Laboratories, Inc. | 913 |
7 |
| State Farm Mutual Automobile Insurance Company | 3151 |
7 |
| Hamilton Sundstrand Corporation | 4923 |
6 |
| Pierburg GmbH | 470 |
5 |
| Schlumberger Technology Corporation | 10898 |
4 |
| Schlumberger Canada Limited | 7369 |
4 |
| Deere & Company | 7671 |
4 |
| Edwards Limited | 790 |
4 |
| Transocean Innovation Labs Ltd | 43 |
4 |
| Industrial Flow Solutions Operating, LLC | 69 |
4 |
| Baker Hughes Holdings LLC | 2999 |
4 |
| Honda Motor Co., Ltd. | 25771 |
3 |
| Caterpillar Inc. | 9640 |
3 |
| The United States of America as represented by the Secretary of the Navy | 2783 |
3 |
| Hewlett Packard Enterprise Development LP | 10756 |
3 |
| Cooler Master Co., Ltd. | 235 |
3 |
| Hytrans Beheer B.V. | 23 |
3 |
| Autres propriétaires | 192 |