- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 23/00 - Pumping installations or systems
Patent holdings for IPC class F04B 23/00
Total number of patents in this class: 166
10-year publication summary
|
8
|
12
|
16
|
17
|
10
|
13
|
13
|
11
|
6
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| US Well Services LLC | 212 |
9 |
| Graco Minnesota Inc. | 1124 |
5 |
| ACM Research (Shanghai) Inc. | 205 |
4 |
| Voith Patent GmbH | 2727 |
4 |
| Robert Bosch GmbH | 40953 |
3 |
| DIC Corporation | 3597 |
3 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
3 |
| Hydro-Gear Limited Partnership | 355 |
3 |
| Ogon Contracting Pty Ltd. | 4 |
3 |
| Halliburton Energy Services, Inc. | 20165 |
2 |
| Ford Global Technologies, LLC | 19702 |
2 |
| Aker Solutions Inc. | 40 |
2 |
| Allison Transmission, Inc. | 833 |
2 |
| Anest Iwata Corporation | 168 |
2 |
| Boostheat | 23 |
2 |
| Kurita Water Industries Ltd. | 1110 |
2 |
| Liberty Pumps Inc. | 44 |
2 |
| Pulsar Process Measurement Limited | 26 |
2 |
| Weir Minerals Australia, Ltd. | 309 |
2 |
| Baker Hughes, a GE Company, LLC | 2171 |
2 |
| Other owners | 107 |