- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 15/04 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being hot or corrosive
Patent holdings for IPC class F04B 15/04
Total number of patents in this class: 72
10-year publication summary
|
6
|
5
|
10
|
11
|
7
|
7
|
3
|
3
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ACM Research (Shanghai) Inc. | 302 |
4 |
| Ecolab USA Inc. | 5456 |
4 |
| Dosatron International | 71 |
3 |
| Wanner Engineering, Inc. | 54 |
3 |
| RSM Imagineering AS | 12 |
3 |
| Hamilton Sundstrand Corporation | 4834 |
2 |
| Ebara Corporation | 2148 |
2 |
| Energy Recovery, Inc. | 174 |
2 |
| Mhwirth GmbH | 54 |
2 |
| Saudi Arabian Oil Company | 12891 |
2 |
| SPM Oil & Gas Inc. | 323 |
2 |
| Société des Produits Nestlé S.A. | 9220 |
1 |
| BASF SE | 20803 |
1 |
| Robert Bosch GmbH | 42505 |
1 |
| Caterpillar Inc. | 9509 |
1 |
| Carrier Corporation | 4358 |
1 |
| Kennametal Inc. | 1387 |
1 |
| Aramco Services Company | 3921 |
1 |
| Caterpillar Motoren GmbH & Co. KG | 130 |
1 |
| China Aluminum International Engineering Corporation Limited | 89 |
1 |
| Other owners | 34 |