- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/40 - CasingsConnections for working fluid
Patent holdings for IPC class F04D 29/40
Total number of patents in this class: 1067
10-year publication summary
|
66
|
79
|
83
|
100
|
115
|
78
|
87
|
76
|
63
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 74968 |
56 |
| Dyson Technology Limited | 3893 |
31 |
| BorgWarner Inc. | 2580 |
29 |
| GREE Electric Appliances, Inc. of Zhuhai | 3278 |
18 |
| Weir Minerals Australia, Ltd. | 310 |
15 |
| General Electric Company | 13831 |
10 |
| Schlumberger Canada Limited | 7553 |
10 |
| Amotech Co., Ltd. | 540 |
10 |
| ResMed Motor Technologies Inc | 76 |
9 |
| Mitsubishi Heavy Industries Compressor Corporation | 634 |
9 |
| Samsung Electronics Co., Ltd. | 153845 |
8 |
| Schlumberger Technology Corporation | 11483 |
8 |
| Robert Bosch GmbH | 43587 |
8 |
| Rolls-Royce PLC | 3183 |
8 |
| Edwards Japan Limited | 437 |
8 |
| Rtx Corporation | 9875 |
8 |
| Schlumberger Technology B.v. | 5268 |
7 |
| Ford Global Technologies, LLC | 21274 |
7 |
| Delta Electronics, Inc. | 2777 |
7 |
| Asia Vital Components Co., Ltd. | 429 |
7 |
| Other owners | 794 |