- 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: 2653
10-year publication summary
|
235
|
302
|
284
|
238
|
217
|
231
|
222
|
189
|
189
|
200
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9576 |
47 |
| Panasonic Intellectual Property Management Co., Ltd. | 32352 |
43 |
| General Electric Company | 13861 |
41 |
| LG Electronics Inc. | 73678 |
39 |
| Edwards Japan Limited | 431 |
33 |
| Mitsubishi Heavy Industries Compressor Corporation | 630 |
33 |
| Delta T, LLC | 283 |
32 |
| Daikin Industries, Ltd. | 10153 |
31 |
| Midea Group Co., Ltd. | 4671 |
31 |
| Shimadzu Corporation | 6229 |
29 |
| Edwards Limited | 791 |
29 |
| ebm-papst Mulfingen GmbH & Co. KG | 612 |
28 |
| Regal Beloit America, Inc. | 864 |
26 |
| Carrier Corporation | 4006 |
25 |
| Safran Aircraft Engines | 6384 |
25 |
| GD Midea Environment Appliances MFG Co., Ltd. | 213 |
25 |
| Nuovo Pignone Tecnologie S.r.l. | 1035 |
24 |
| Mitsubishi Heavy Industries, Ltd. | 8871 |
23 |
| Dyson Technology Limited | 3740 |
23 |
| Ziehl-abegg SE | 215 |
22 |
| Other owners | 2044 |