- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 9/133 - 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 with two mechanically connected pumping members reciprocating movement of the pumping members being obtained by a double-acting elastic-fluid motor
Patent holdings for IPC class F04B 9/133
Total number of patents in this class: 36
10-year publication summary
|
1
|
3
|
5
|
8
|
1
|
8
|
3
|
1
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Maximator GmbH | 17 |
4 |
| TPE Midstream LLC | 41 |
4 |
| Centre National de La Recherche Scientifique | 10068 |
3 |
| Kosmek Ltd. | 142 |
2 |
| Robatech AG | 63 |
2 |
| Warren Rupp, Inc. | 70 |
2 |
| White Knight Fluid Handling, Inc | 27 |
2 |
| PSG Worldwide, Inc. | 22 |
2 |
| PSG California LLC | 72 |
2 |
| Duerr Systems AG | 196 |
1 |
| GE Oil & Gas ESP, Inc. | 82 |
1 |
| Graco Minnesota Inc. | 1162 |
1 |
| Pressol Schmiergerate GmbH | 20 |
1 |
| Qatar Foundation for Education, Science and Community Development | 260 |
1 |
| SMC Corporation | 1358 |
1 |
| Sonderhoff Engineering GmbH | 12 |
1 |
| Timmer Pneumatik GmbH | 2 |
1 |
| Durr Systems AG | 340 |
1 |
| Meclube SRL | 4 |
1 |
| Combined Pumps Limited | 1 |
1 |
| Other owners | 2 |