- 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: 571
10-year publication summary
|
41
|
49
|
49
|
50
|
47
|
65
|
40
|
43
|
36
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42813 |
27 |
| PENTAIR Flow Technologies, LLC | 175 |
14 |
| Atlas Copco Airpower, naamloze vennootschap | 1037 |
13 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1464 |
13 |
| Caterpillar Inc. | 9628 |
10 |
| Aperia Technologies, Inc. | 52 |
10 |
| Hamilton Sundstrand Corporation | 4907 |
9 |
| Graco Minnesota Inc. | 1206 |
9 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 572 |
8 |
| Milwaukee Electric Tool Corporation | 4457 |
8 |
| Danfoss A/S | 1353 |
8 |
| Illinois Tool Works Inc. | 11494 |
7 |
| Hitachi Construction Machinery Co., Ltd. | 2646 |
7 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 215 |
7 |
| Hyundai Motor Company | 22257 |
6 |
| Eaton Intelligent Power Limited | 6014 |
6 |
| Continental Reifen Deutschland GmbH | 2455 |
5 |
| Kia Motors Corporation | 7751 |
5 |
| Danfoss Power Solutions GmbH & Co. OHG | 73 |
5 |
| Schaeffler Technologies AG & Co. KG | 9973 |
4 |
| Other owners | 390 |