- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 49/08 - Regulating by delivery pressure
Patent holdings for IPC class F04B 49/08
Total number of patents in this class: 561
10-year publication summary
|
42
|
50
|
51
|
55
|
48
|
66
|
41
|
43
|
35
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42450 |
25 |
| PENTAIR Flow Technologies, LLC | 174 |
14 |
| Atlas Copco Airpower, naamloze vennootschap | 1017 |
13 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1451 |
13 |
| Caterpillar Inc. | 9472 |
10 |
| Aperia Technologies, Inc. | 51 |
10 |
| Hamilton Sundstrand Corporation | 4832 |
8 |
| Graco Minnesota Inc. | 1180 |
8 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 572 |
8 |
| Danfoss A/S | 1348 |
8 |
| Illinois Tool Works Inc. | 11396 |
7 |
| Hitachi Construction Machinery Co., Ltd. | 2623 |
7 |
| Milwaukee Electric Tool Corporation | 4295 |
7 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 212 |
7 |
| Hyundai Motor Company | 21626 |
6 |
| Danfoss Power Solutions GmbH & Co. OHG | 72 |
6 |
| Eaton Intelligent Power Limited | 5955 |
6 |
| Continental Reifen Deutschland GmbH | 2438 |
5 |
| Kia Motors Corporation | 7759 |
5 |
| Schaeffler Technologies AG & Co. KG | 9747 |
4 |
| Other owners | 384 |