- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/46 - Fluid-guiding means, e.g. diffusers adjustable
Patent holdings for IPC class F04D 29/46
Total number of patents in this class: 576
10-year publication summary
|
48
|
47
|
67
|
51
|
42
|
45
|
36
|
36
|
25
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IHI Corporation | 3529 |
42 |
| JPMorgan Chase Bank, National Association | 8959 |
22 |
| Carrier Corporation | 3949 |
16 |
| BorgWarner Inc. | 2584 |
16 |
| Tyco Fire & Security GmbH | 3663 |
14 |
| Nuovo Pignone Tecnologie S.r.l. | 1219 |
14 |
| LG Electronics Inc. | 75807 |
13 |
| Hamilton Sundstrand Corporation | 5014 |
13 |
| GREE Electric Appliances, Inc. of Zhuhai | 3318 |
12 |
| Mitsubishi Heavy Industries, Ltd. | 9161 |
11 |
| Dyson Technology Limited | 4014 |
10 |
| Mitsubishi Heavy Industries Compressor Corporation | 647 |
10 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 843 |
10 |
| Siemens AG | 23996 |
9 |
| Johnson Controls Technology Company | 1380 |
9 |
| Pierburg Pump Technology GmbH | 334 |
9 |
| Weir Minerals Australia, Ltd. | 311 |
8 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12376 |
8 |
| General Electric Company | 13912 |
7 |
| Pratt & Whitney Canada Corp. | 5519 |
7 |
| Other owners | 316 |