- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- 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: 296
10-year publication summary
|
29
|
32
|
36
|
40
|
33
|
35
|
27
|
16
|
23
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
19 |
| LG Electronics Inc. | 69257 |
18 |
| Eagle Industry Co., Ltd. | 1062 |
18 |
| Smith & Nephew plc | 779 |
8 |
| Graco Minnesota Inc. | 1124 |
7 |
| I-jack Technologies Incorporated | 20 |
7 |
| KYB Corporation | 1278 |
7 |
| Fluid Metering, Inc. | 38 |
5 |
| Caterpillar Inc. | 8877 |
4 |
| Hamilton Sundstrand Corporation | 4525 |
4 |
| AGCO International GmbH | 504 |
4 |
| Altria Client Services LLC | 1866 |
4 |
| Fujikoki Corporation | 330 |
4 |
| Haier US Appliance Solutions, Inc. | 3178 |
4 |
| Danfoss A/S | 1259 |
4 |
| Halliburton Energy Services, Inc. | 20165 |
3 |
| Eaton Corporation | 1839 |
3 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
3 |
| Weatherford Technology Holdings, LLC | 2135 |
3 |
| Danfoss Power Solutions Inc. | 116 |
3 |
| Other owners | 164 |