- 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: 2798
10-year publication summary
|
304
|
288
|
244
|
224
|
232
|
228
|
197
|
191
|
234
|
138
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10102 |
50 |
| General Electric Company | 13899 |
46 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
44 |
| LG Electronics Inc. | 75694 |
40 |
| Edwards Japan Limited | 439 |
35 |
| Mitsubishi Heavy Industries Compressor Corporation | 640 |
34 |
| Daikin Industries, Ltd. | 10499 |
32 |
| Delta T, LLC | 280 |
32 |
| Shimadzu Corporation | 6340 |
31 |
| Midea Group Co., Ltd. | 5028 |
31 |
| ebm-papst Mulfingen GmbH & Co. KG | 498 |
29 |
| Edwards Limited | 774 |
29 |
| Nuovo Pignone Tecnologie S.r.l. | 1216 |
28 |
| Safran Aircraft Engines | 6694 |
26 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
25 |
| Carrier Corporation | 3955 |
25 |
| Regal Beloit America, Inc. | 850 |
25 |
| GD Midea Environment Appliances MFG Co., Ltd. | 234 |
25 |
| Dyson Technology Limited | 3997 |
23 |
| Ziehl-abegg SE | 222 |
23 |
| Other owners | 2165 |