- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/00 - Details, component parts, or accessories
Patent holdings for IPC class F04D 29/00
Total number of patents in this class: 931
10-year publication summary
|
50
|
82
|
99
|
73
|
82
|
75
|
82
|
77
|
45
|
47
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
21 |
| Shenzhen Jisu Technology Co., Ltd. | 171 |
21 |
| Mitsubishi Electric Corporation | 48351 |
19 |
| GREE Electric Appliances, Inc. of Zhuhai | 3322 |
16 |
| Midea Group Co., Ltd. | 5080 |
16 |
| LG Electronics Inc. | 76087 |
14 |
| Panasonic Corporation | 18716 |
12 |
| Rtx Corporation | 10182 |
12 |
| Baker Hughes Incorporated | 4883 |
11 |
| Daikin Industries, Ltd. | 10514 |
11 |
| GD Midea Environment Appliances MFG Co., Ltd. | 239 |
11 |
| Ebara Corporation | 2356 |
9 |
| IHI Corporation | 3543 |
9 |
| Nidec Sankyo Corporation | 1050 |
9 |
| Opple Lighting Co., Ltd. | 938 |
9 |
| Safran Aircraft Engines | 6767 |
9 |
| Schlumberger Technology Corporation | 11940 |
8 |
| Schlumberger Canada Limited | 7610 |
8 |
| Delta Electronics, Inc. | 2859 |
8 |
| Services Petroliers Schlumberger | 6022 |
8 |
| Other owners | 690 |