- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 49/12 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by varying the length of stroke of the working members
Patent holdings for IPC class F04B 49/12
Total number of patents in this class: 310
10-year publication summary
|
32
|
36
|
40
|
33
|
35
|
27
|
17
|
23
|
16
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42689 |
19 |
| Eagle Industry Co., Ltd. | 1128 |
18 |
| LG Electronics Inc. | 73021 |
17 |
| Fluid Metering, Inc. | 56 |
8 |
| I-jack Technologies Incorporated | 24 |
8 |
| Smith & Nephew plc | 770 |
8 |
| Graco Minnesota Inc. | 1195 |
7 |
| KYB Corporation | 1359 |
7 |
| Caterpillar Inc. | 9548 |
4 |
| Hamilton Sundstrand Corporation | 4868 |
4 |
| AGCO International GmbH | 605 |
4 |
| Altria Client Services LLC | 2195 |
4 |
| Fujikoki Corporation | 378 |
4 |
| Haier US Appliance Solutions, Inc. | 3610 |
4 |
| Parker-Hannifin Corporation | 1037 |
4 |
| Danfoss A/S | 1355 |
4 |
| Halliburton Energy Services, Inc. | 20891 |
3 |
| Eaton Corporation | 1820 |
3 |
| Hitachi Construction Machinery Co., Ltd. | 2643 |
3 |
| Danfoss Power Solutions Inc. | 111 |
3 |
| Other owners | 174 |