- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 210
10-year publication summary
|
16
|
16
|
19
|
20
|
23
|
17
|
14
|
23
|
14
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
35 |
| Pierburg GmbH | 435 |
16 |
| Gardner Denver Deutschland GmbH | 58 |
15 |
| Eberspächer Climate Control Systems GmbH | 134 |
8 |
| Aisan Kogyo Kabushiki Kaisha | 722 |
6 |
| Edwards Limited | 764 |
6 |
| Gebr. Becker GmbH | 49 |
6 |
| Linde Aktiengesellschaft | 1600 |
5 |
| Hamilton Sundstrand Corporation | 4525 |
3 |
| Fisher & Paykel Healthcare Limited | 2218 |
3 |
| IHI Corporation | 3268 |
3 |
| ViCTORi LLC | 4 |
3 |
| Panasonic Corporation | 20786 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
2 |
| Continental Automotive GmbH | 5573 |
2 |
| Blue Leaf I.P., Inc. | 2758 |
2 |
| Asia Vital Components Co., Ltd. | 413 |
2 |
| Cummins Turbo Technologies Limited | 109 |
2 |
| DEKA Products Limited Partnership | 1640 |
2 |
| MAHLE International GmbH | 2670 |
2 |
| Other owners | 85 |