- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 49/06 - Control using electricity
Patent holdings for IPC class F04B 49/06
Total number of patents in this class: 3357
10-year publication summary
|
230
|
280
|
327
|
272
|
228
|
258
|
230
|
230
|
198
|
170
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21103 |
89 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1491 |
62 |
| LG Electronics Inc. | 73884 |
61 |
| Robert Bosch GmbH | 43114 |
50 |
| Caterpillar Inc. | 9866 |
44 |
| Atlas Copco Airpower, naamloze vennootschap | 1041 |
44 |
| DEKA Products Limited Partnership | 1816 |
36 |
| Graco Minnesota Inc. | 1232 |
32 |
| Schlumberger Technology Corporation | 11089 |
30 |
| US Well Services LLC | 228 |
28 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 461 |
27 |
| Hitachi Construction Machinery Co., Ltd. | 2687 |
24 |
| Sanden Corporation | 981 |
23 |
| Copeland LP | 691 |
23 |
| Murata Manufacturing Co., Ltd. | 25037 |
21 |
| Daikin Industries, Ltd. | 10167 |
21 |
| Grundfos Holding A/S | 571 |
19 |
| Mitsubishi Heavy Industries, Ltd. | 8910 |
18 |
| Entegris, Inc. | 1920 |
18 |
| Fluid Handling LLC | 249 |
18 |
| Other owners | 2669 |