- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 23/00 - Pumping installations or systems
Patent holdings for IPC class F04B 23/00
Total number of patents in this class: 162
10-year publication summary
|
16
|
17
|
10
|
13
|
13
|
11
|
6
|
11
|
10
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| US Well Services LLC | 224 |
11 |
| Halliburton Energy Services, Inc. | 21257 |
5 |
| ACM Research (Shanghai) Inc. | 418 |
5 |
| Graco Minnesota Inc. | 1260 |
5 |
| Voith Patent GmbH | 2753 |
4 |
| Robert Bosch GmbH | 43788 |
3 |
| Denso Corporation | 25361 |
3 |
| DIC Corporation | 3924 |
3 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1525 |
3 |
| Ogon Contracting Pty Ltd. | 4 |
3 |
| Ford Global Technologies, LLC | 21339 |
2 |
| Allison Transmission, Inc. | 810 |
2 |
| Anest Iwata Corporation | 154 |
2 |
| Boostheat | 14 |
2 |
| Kurita Water Industries Ltd. | 1269 |
2 |
| Pulsar Process Measurement Limited | 27 |
2 |
| Weir Minerals Australia, Ltd. | 308 |
2 |
| WANG, Yijing | 4 |
2 |
| Drausuisse Brasil Comercio e Locacao de Unidades Hidraulicas Inteligentes S.A. | 6 |
2 |
| BJ Energy Solutions, LLC | 103 |
2 |
| Other owners | 97 |