- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 23/04 - Combinations of two or more pumps
Patent holdings for IPC class F04B 23/04
Total number of patents in this class: 553
10-year publication summary
|
22
|
44
|
42
|
50
|
45
|
53
|
41
|
47
|
39
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20911 |
42 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 215 |
25 |
| US Well Services LLC | 226 |
22 |
| Schlumberger Technology Corporation | 10780 |
15 |
| Robert Bosch GmbH | 42705 |
12 |
| Caterpillar Inc. | 9579 |
12 |
| Vermeer Manufacturing Company | 638 |
8 |
| Murata Manufacturing Co., Ltd. | 24603 |
7 |
| SPM Oil & Gas Inc. | 328 |
7 |
| Saudi Arabian Oil Company | 13224 |
6 |
| Typhon Technology Solutions (U.S.), LLC | 96 |
6 |
| Repligen Corporation | 285 |
5 |
| Typhon Technology Solutions, LLC | 47 |
5 |
| Schlumberger Canada Limited | 7332 |
4 |
| Deere & Company | 7625 |
4 |
| GM Global Technology Operations LLC | 15095 |
4 |
| Hyundai Motor Company | 22086 |
4 |
| Life Technologies Corporation | 3306 |
4 |
| DEKA Products Limited Partnership | 1774 |
4 |
| Fluid Handling LLC | 246 |
4 |
| Other owners | 353 |