- 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: 319
10-year publication summary
|
36
|
40
|
33
|
35
|
27
|
17
|
21
|
15
|
13
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44160 |
20 |
| Eagle Industry Co., Ltd. | 1177 |
18 |
| LG Electronics Inc. | 75694 |
13 |
| Fluid Metering, Inc. | 72 |
11 |
| I-jack Technologies Incorporated | 30 |
9 |
| Smith & Nephew plc | 747 |
8 |
| KYB Corporation | 1422 |
7 |
| Hamilton Sundstrand Corporation | 5015 |
6 |
| Graco Minnesota Inc. | 1280 |
6 |
| Altria Client Services LLC | 2435 |
5 |
| Caterpillar Inc. | 10267 |
4 |
| AGCO International GmbH | 719 |
4 |
| Fujikoki Corporation | 415 |
4 |
| Haier US Appliance Solutions, Inc. | 4033 |
4 |
| Danfoss A/S | 1432 |
4 |
| Halliburton Energy Services, Inc. | 21338 |
3 |
| Eaton Corporation | 1804 |
3 |
| Hitachi Construction Machinery Co., Ltd. | 2752 |
3 |
| Danfoss Power Solutions Inc. | 110 |
3 |
| Parker-Hannifin Corporation | 1035 |
3 |
| Other owners | 181 |