- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 27/00 - Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
Patent holdings for IPC class F04D 27/00
Total number of patents in this class: 2565
10-year publication summary
|
245
|
304
|
288
|
244
|
224
|
232
|
228
|
192
|
185
|
116
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9297 |
47 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
42 |
| LG Electronics Inc. | 72473 |
39 |
| General Electric Company | 13829 |
37 |
| Delta T, LLC | 286 |
32 |
| Mitsubishi Heavy Industries Compressor Corporation | 626 |
32 |
| Midea Group Co., Ltd. | 4484 |
31 |
| Daikin Industries, Ltd. | 9957 |
30 |
| Shimadzu Corporation | 6132 |
29 |
| Edwards Japan Limited | 418 |
29 |
| Edwards Limited | 788 |
29 |
| ebm-papst Mulfingen GmbH & Co. KG | 610 |
27 |
| Regal Beloit America, Inc. | 867 |
26 |
| Safran Aircraft Engines | 6237 |
25 |
| Carrier Corporation | 4356 |
24 |
| GD Midea Environment Appliances MFG Co., Ltd. | 205 |
24 |
| Mitsubishi Heavy Industries, Ltd. | 8647 |
23 |
| Robert Bosch GmbH | 42450 |
22 |
| Dyson Technology Limited | 3590 |
22 |
| Ziehl-abegg SE | 212 |
22 |
| Other owners | 1973 |