- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/50 - Fluid-guiding means, e.g. diffusers adjustable for reversing fluid flow
Patent holdings for IPC class F04D 29/50
Total number of patents in this class: 33
10-year publication summary
|
3
|
1
|
1
|
4
|
2
|
3
|
7
|
4
|
4
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Intex Marketing Ltd. | 245 |
7 |
| Bestway Inflatables & Material Corp. | 424 |
4 |
| BSH Hausgeräte GmbH | 5560 |
3 |
| Wangli Plastic & Electronics (Huizhou) Co.,Ltd. | 11 |
2 |
| Intex Industries Xiamen Co. Ltd. | 65 |
2 |
| LG Electronics Inc. | 74135 |
1 |
| Toyota Motor Corporation | 33827 |
1 |
| Carrier Corporation | 3988 |
1 |
| Caremed Supply Inc. | 20 |
1 |
| Fujikoki Corporation | 395 |
1 |
| Kaeser KOMPRESSOREN SE | 186 |
1 |
| Mitsubishi Heavy Industries Compressor Corporation | 631 |
1 |
| Obermeyer, Henry K. | 15 |
1 |
| Sun Pleasure Company Ltd. | 27 |
1 |
| Team Worldwide Corporation | 30 |
1 |
| Johnson Electric International AG | 376 |
1 |
| Zhejiang Natural Outdoor Goods Inc. | 27 |
1 |
| Dongguan Hongyu Plastic Co.,Ltd | 37 |
1 |
| Dongguan Hongsheng Metal&plastic Technology Co., Ltd. | 4 |
1 |
| Peakvent AS | 10 |
1 |
| Other owners | 0 |