- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 9/12 - 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
Patent holdings for IPC class F04B 9/12
Total number of patents in this class: 83
10-year publication summary
|
8
|
13
|
9
|
5
|
11
|
8
|
4
|
3
|
5
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Q.E.D. Environmental Systems, Inc. | 86 |
4 |
| Sanofi-Aventis Deutschland GmbH | 2738 |
3 |
| Graco Minnesota Inc. | 1124 |
3 |
| Robert Bosch GmbH | 40953 |
2 |
| Denso Corporation | 23338 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
2 |
| Alere San Diego, Inc. | 70 |
2 |
| Alere Switzerland GmbH | 34 |
2 |
| DeLaval Holding AB | 934 |
2 |
| EXEL Industries | 502 |
2 |
| Monkey Pumps, LLC | 7 |
2 |
| Novopower Ltd. | 3 |
2 |
| The Single Use Pump Company, LLC | 2 |
2 |
| Schlumberger Technology Corporation | 9690 |
1 |
| Schlumberger Canada Limited | 6913 |
1 |
| Schlumberger Technology B.v. | 4951 |
1 |
| Halliburton Energy Services, Inc. | 20165 |
1 |
| BASF SE | 19740 |
1 |
| Koninklijke Philips N.V. | 22975 |
1 |
| Hamilton Sundstrand Corporation | 4525 |
1 |
| Other owners | 46 |