- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 49/08 - Regulating by delivery pressure
Patent holdings for IPC class F04B 49/08
Total number of patents in this class: 519
10-year publication summary
39
|
42
|
50
|
51
|
55
|
47
|
65
|
38
|
39
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 40953 |
25 |
PENTAIR Flow Technologies, LLC | 167 |
13 |
Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
11 |
Aperia Technologies, Inc. | 42 |
10 |
Caterpillar Inc. | 8877 |
9 |
Atlas Copco Airpower, naamloze vennootschap | 915 |
9 |
Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 566 |
9 |
Danfoss A/S | 1259 |
8 |
Illinois Tool Works Inc. | 11152 |
7 |
Hitachi Construction Machinery Co., Ltd. | 2498 |
7 |
Graco Minnesota Inc. | 1124 |
7 |
BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 196 |
7 |
Hyundai Motor Company | 19021 |
6 |
Continental Reifen Deutschland GmbH | 2324 |
5 |
Kia Motors Corporation | 7946 |
5 |
Danfoss Power Solutions GmbH & Co. OHG | 70 |
5 |
Milwaukee Electric Tool Corporation | 3572 |
5 |
Eaton Intelligent Power Limited | 6113 |
5 |
Hamilton Sundstrand Corporation | 4525 |
4 |
Schaeffler Technologies AG & Co. KG | 8880 |
4 |
Other owners | 358 |