- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 49/22 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by means of valves
Patent holdings for IPC class F04B 49/22
Total number of patents in this class: 866
10-year publication summary
|
116
|
114
|
95
|
71
|
71
|
53
|
50
|
63
|
53
|
34
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44254 |
39 |
| Halliburton Energy Services, Inc. | 21309 |
29 |
| DEKA Products Limited Partnership | 1897 |
21 |
| Artemis Intelligent Power Limited | 89 |
19 |
| Illinois Tool Works Inc. | 11862 |
17 |
| Graco Minnesota Inc. | 1286 |
17 |
| Denso Corporation | 25645 |
12 |
| Caterpillar Inc. | 10280 |
11 |
| Eagle Industry Co., Ltd. | 1180 |
11 |
| Hamilton Sundstrand Corporation | 5014 |
10 |
| Murata Manufacturing Co., Ltd. | 25809 |
9 |
| Atlas Copco Airpower, naamloze vennootschap | 1081 |
7 |
| Copeland LP | 706 |
7 |
| Carrier Corporation | 3947 |
6 |
| Danfoss Power Solutions GmbH & Co. OHG | 73 |
6 |
| Hitachi Astemo, Ltd. | 6419 |
6 |
| ZF CV Systems Europe BV | 822 |
6 |
| SPM Oil & Gas Inc. | 360 |
6 |
| LG Electronics Inc. | 75855 |
5 |
| Edwards Limited | 774 |
5 |
| Other owners | 617 |