- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 11/00 - Equalisation of pulses, e.g. by use of air vesselsCounteracting cavitation
Patent holdings for IPC class F04B 11/00
Total number of patents in this class: 540
10-year publication summary
|
51
|
48
|
61
|
58
|
50
|
37
|
45
|
34
|
17
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42596 |
54 |
| Performance Pulsation Control, Inc. | 58 |
22 |
| Denso Corporation | 24190 |
18 |
| Hitachi Astemo, Ltd. | 6382 |
15 |
| Osprey Medical, Inc. | 52 |
13 |
| Mhwirth GmbH | 54 |
12 |
| Graco Minnesota Inc. | 1184 |
11 |
| Agilent Technologies, Inc. | 2634 |
9 |
| SPM Oil & Gas Inc. | 324 |
9 |
| Obotics Inc. | 50 |
8 |
| Nikkiso Co., Ltd. | 771 |
7 |
| Beckman Coulter, Inc. | 1264 |
6 |
| Tetra Laval Holdings & Finance S.A. | 2135 |
6 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 212 |
6 |
| Halliburton Energy Services, Inc. | 20788 |
5 |
| Caterpillar Inc. | 9521 |
5 |
| Life Technologies Corporation | 3279 |
5 |
| Dionex Softron GmbH | 117 |
5 |
| Eagle Industry Co., Ltd. | 1123 |
5 |
| HYDAC Technology GmbH | 234 |
5 |
| Other owners | 314 |