- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 1/00 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
Patent holdings for IPC class F04B 1/00
Total number of patents in this class: 175
10-year publication summary
|
14
|
9
|
13
|
26
|
21
|
17
|
23
|
12
|
13
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
9 |
| US Well Services LLC | 212 |
9 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 396 |
7 |
| SPM Oil & Gas Inc. | 304 |
5 |
| Mainspring Energy, Inc. | 98 |
4 |
| Schlumberger Technology Corporation | 9690 |
3 |
| Carrier Corporation | 4759 |
3 |
| Flow Control LLC. | 131 |
3 |
| Pacific Biosciences of California, Inc. | 738 |
3 |
| Caterpillar Inc. | 8877 |
2 |
| Continental Automotive GmbH | 5573 |
2 |
| Shimadzu Corporation | 5791 |
2 |
| Artemis Intelligent Power Limited | 106 |
2 |
| Hytrans Beheer B.V. | 23 |
2 |
| Kanzaki Kokyukoki Mfg. Co., Ltd. | 193 |
2 |
| Medela Holding AG | 601 |
2 |
| Sanjel Energy Services Inc. | 51 |
2 |
| Sichuan Honghua Petroleum Equipment Co. Ltd. | 71 |
2 |
| S.P.M. Flow Control, Inc. | 101 |
2 |
| Vulcan Industrial Holdings LLC | 34 |
2 |
| Other owners | 107 |