- 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: 571
10-year publication summary
|
45
|
47
|
57
|
53
|
55
|
48
|
56
|
47
|
30
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21296 |
45 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 230 |
26 |
| US Well Services LLC | 225 |
23 |
| Schlumberger Technology Corporation | 11893 |
15 |
| Robert Bosch GmbH | 44252 |
12 |
| Caterpillar Inc. | 10299 |
12 |
| Vermeer Manufacturing Company | 676 |
8 |
| Murata Manufacturing Co., Ltd. | 25847 |
7 |
| SPM Oil & Gas Inc. | 359 |
7 |
| Typhon Technology Solutions (U.S.), LLC | 108 |
7 |
| Saudi Arabian Oil Company | 14329 |
6 |
| Typhon Technology Solutions, LLC | 55 |
6 |
| Scout Surface Solutions, LLC | 33 |
6 |
| Repligen Corporation | 299 |
5 |
| Deere & Company | 8160 |
4 |
| GM Global Technology Operations LLC | 16205 |
4 |
| Hyundai Motor Company | 24852 |
4 |
| Agilent Technologies, Inc. | 2640 |
4 |
| Life Technologies Corporation | 3458 |
4 |
| Fluid Handling LLC | 253 |
4 |
| Other owners | 362 |