- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 9/129 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers
Patent holdings for IPC class F04B 9/129
Total number of patents in this class: 26
10-year publication summary
|
7
|
2
|
4
|
2
|
5
|
2
|
4
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Verne Technology S.r.l. | 5 |
3 |
| GEA Mechanical Equipment Italia S.p.A. | 60 |
2 |
| Nuovo Pignone Tecnologie S.r.l. | 852 |
2 |
| The Single Use Pump Company, LLC | 2 |
2 |
| Schlumberger Technology Corporation | 10228 |
1 |
| Schlumberger Canada Limited | 7143 |
1 |
| Schlumberger Technology B.v. | 5064 |
1 |
| Baier & Köppel GmbH & Co. | 7 |
1 |
| Boostheat | 21 |
1 |
| Graco Minnesota Inc. | 1162 |
1 |
| Iwaki Co., Ltd. | 58 |
1 |
| Joe Santa & Associates Pty Limited | 15 |
1 |
| Maximator GmbH | 17 |
1 |
| Pressol Schmiergerate GmbH | 20 |
1 |
| Services Petroliers Schlumberger | 5622 |
1 |
| SMC Corporation | 1358 |
1 |
| New Leaf Management Ltd. | 4 |
1 |
| Eaton Intelligent Power Limited | 6293 |
1 |
| Meclube SRL | 4 |
1 |
| Ecocean Renewables Limited | 1 |
1 |
| Other owners | 1 |