- 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: 556
10-year publication summary
|
48
|
61
|
58
|
50
|
37
|
46
|
35
|
21
|
19
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44160 |
54 |
| Performance Pulsation Control, Inc. | 60 |
22 |
| Denso Corporation | 25534 |
18 |
| Hitachi Astemo, Ltd. | 6410 |
16 |
| Mhwirth GmbH | 57 |
13 |
| Osprey Medical, Inc. | 49 |
13 |
| Graco Minnesota Inc. | 1280 |
11 |
| Agilent Technologies, Inc. | 2634 |
9 |
| SPM Oil & Gas Inc. | 360 |
9 |
| Beckman Coulter, Inc. | 1333 |
7 |
| Nikkiso Co., Ltd. | 791 |
7 |
| Obotics Inc. | 46 |
7 |
| Tetra Laval Holdings & Finance S.A. | 2231 |
6 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 230 |
6 |
| Halliburton Energy Services, Inc. | 21338 |
5 |
| Life Technologies Corporation | 3458 |
5 |
| Dionex Softron GmbH | 130 |
5 |
| Eagle Industry Co., Ltd. | 1177 |
5 |
| HYDAC Technology GmbH | 249 |
5 |
| Surpass Industry Co., Ltd. | 157 |
5 |
| Other owners | 328 |