- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/20 - Mounting rotors on shafts
Patent holdings for IPC class F04D 29/20
Total number of patents in this class: 175
10-year publication summary
|
11
|
24
|
18
|
17
|
12
|
14
|
13
|
10
|
11
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ResMed Motor Technologies Inc | 72 |
6 |
| Ecotech, Inc. | 10 |
6 |
| Molten Metal Equipment Innovations, LLC | 100 |
6 |
| Halliburton Energy Services, Inc. | 21284 |
5 |
| Denso Corporation | 25717 |
4 |
| Aisan Kogyo Kabushiki Kaisha | 774 |
4 |
| General Electric Company | 13966 |
3 |
| Robert Bosch GmbH | 44291 |
3 |
| ITT Manufacturing Enterprises LLC | 419 |
3 |
| KSB Aktiengesellschaft | 153 |
3 |
| Xylem IP Management S.A R.L. | 69 |
3 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 336 |
3 |
| Samsung Electronics Co., Ltd. | 158842 |
2 |
| Pratt & Whitney Canada Corp. | 5528 |
2 |
| Areva NP | 200 |
2 |
| Dyson Technology Limited | 4028 |
2 |
| Mitsubishi Heavy Industries Compressor Corporation | 650 |
2 |
| OneSubsea IP UK Limited | 440 |
2 |
| Outotec (Finland) Oy | 455 |
2 |
| Safran Aircraft Engines | 6750 |
2 |
| Other owners | 110 |