- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
Patent holdings for IPC class F04D 19/00
Total number of patents in this class: 1684
10-year publication summary
|
166
|
173
|
146
|
150
|
124
|
141
|
150
|
160
|
175
|
150
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nidec Corporation | 2826 |
63 |
| General Electric Company | 14010 |
60 |
| Delta Electronics, Inc. | 2872 |
55 |
| Rtx Corporation | 10222 |
45 |
| ebm-papst Mulfingen GmbH & Co. KG | 493 |
43 |
| Asia Vital Components Co., Ltd. | 433 |
35 |
| Hamilton Sundstrand Corporation | 5013 |
30 |
| SANYO Denki Co., Ltd. | 202 |
27 |
| Safran Aircraft Engines | 6801 |
24 |
| Milwaukee Electric Tool Corporation | 5078 |
21 |
| Mitsubishi Electric Corporation | 48460 |
19 |
| Delta T, LLC | 276 |
18 |
| Hunter Fan Company | 916 |
18 |
| Ziehl-abegg SE | 223 |
17 |
| LG Electronics Inc. | 76299 |
15 |
| Cooler Master Co., Ltd. | 270 |
15 |
| Prime Datum, Inc. | 24 |
13 |
| Minebea Mitsumi Inc. | 1998 |
13 |
| Lighting Defense Group, LLC | 45 |
13 |
| EBM-Papst St. Georgen GmbH & Co. KG | 225 |
12 |
| Other owners | 1128 |