- 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: 816
10-year publication summary
|
86
|
116
|
114
|
95
|
71
|
71
|
52
|
47
|
59
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42450 |
36 |
| Halliburton Energy Services, Inc. | 20749 |
26 |
| Artemis Intelligent Power Limited | 100 |
20 |
| DEKA Products Limited Partnership | 1757 |
20 |
| Illinois Tool Works Inc. | 11396 |
17 |
| Graco Minnesota Inc. | 1180 |
16 |
| Denso Corporation | 24120 |
12 |
| Caterpillar Inc. | 9472 |
11 |
| Eagle Industry Co., Ltd. | 1125 |
11 |
| Murata Manufacturing Co., Ltd. | 24342 |
9 |
| Hamilton Sundstrand Corporation | 4832 |
7 |
| Atlas Copco Airpower, naamloze vennootschap | 1017 |
7 |
| Danfoss Power Solutions GmbH & Co. OHG | 72 |
7 |
| Copeland LP | 686 |
7 |
| Carrier Corporation | 4356 |
6 |
| Cummins Inc. | 2551 |
6 |
| Hitachi Astemo, Ltd. | 6369 |
6 |
| Fresenius Medical Care Deutschland GmbH | 2146 |
5 |
| KYB Corporation | 1353 |
5 |
| Micro Infinity FLOW, LLC | 5 |
5 |
| Other owners | 577 |