- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04F - Pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumpedsiphons
- F04F 5/44 - Component parts, details, or accessories not provided for in, or of interest apart from, groups
Patent holdings for IPC class F04F 5/44
Total number of patents in this class: 133
10-year publication summary
|
16
|
19
|
15
|
3
|
11
|
6
|
6
|
8
|
2
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 25909 |
19 |
| Dayco IP Holdings, LLC | 276 |
6 |
| TLV Co., Ltd. | 339 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 34685 |
5 |
| Dyson Technology Limited | 4053 |
4 |
| Midea Group Co., Ltd. | 5102 |
4 |
| Robert Bosch GmbH | 44427 |
3 |
| SMC Corporation | 1405 |
3 |
| Source Rock Energy Partners Inc. | 11 |
3 |
| GD Midea Environment Appliances MFG Co., Ltd. | 240 |
3 |
| LG Electronics Inc. | 76328 |
2 |
| Toshiba Corporation | 12754 |
2 |
| Boildec Oy | 6 |
2 |
| ElringKlinger AG | 577 |
2 |
| GE-Hitachi Nuclear Energy Americas LLC | 455 |
2 |
| GREE Electric Appliances, Inc. of Zhuhai | 3329 |
2 |
| Koganei Corporation | 209 |
2 |
| Nordson Corporation | 1213 |
2 |
| Vtec Co., Ltd. | 40 |
2 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6159 |
2 |
| Other owners | 57 |