- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 23/00 - Other rotary non-positive-displacement pumps specially adapted for elastic fluids
Patent holdings for IPC class F04D 23/00
Total number of patents in this class: 225
10-year publication summary
|
16
|
18
|
19
|
23
|
17
|
15
|
22
|
14
|
14
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43114 |
40 |
| Pierburg GmbH | 472 |
18 |
| Gardner Denver Deutschland GmbH | 59 |
17 |
| Eberspächer Climate Control Systems GmbH | 144 |
8 |
| Edwards Limited | 791 |
7 |
| Aisan Kogyo Kabushiki Kaisha | 750 |
6 |
| Gebr. Becker GmbH | 54 |
6 |
| Linde Aktiengesellschaft | 1483 |
5 |
| Hamilton Sundstrand Corporation | 4961 |
4 |
| Fisher & Paykel Healthcare Limited | 2538 |
4 |
| The United States of America as represented by the Secretary of the Navy | 2805 |
3 |
| Truma Gerätetechnik GmbH & Co. KG | 285 |
3 |
| ViCTORi LLC | 4 |
3 |
| Panasonic Corporation | 19937 |
2 |
| Continental Automotive GmbH | 4719 |
2 |
| Blue Leaf I.P., Inc. | 2783 |
2 |
| Asia Vital Components Co., Ltd. | 418 |
2 |
| Cummins Turbo Technologies Limited | 102 |
2 |
| DEKA Products Limited Partnership | 1816 |
2 |
| FPZ S.p.A. | 15 |
2 |
| Other owners | 87 |