- All sections
- A - Human necessities
- A47L - Domestic washing or cleaningsuction cleaners in general
- A47L 1/02 - Power-driven machines or devices
Patent holdings for IPC class A47L 1/02
Total number of patents in this class: 309
10-year publication summary
|
35
|
38
|
33
|
29
|
19
|
26
|
26
|
17
|
24
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecovacs Robotics Co., Ltd. | 426 |
50 |
| Ecovacs Robotics (Suzhou) Co., Ltd. | 48 |
22 |
| Suzhou Ecovacs Commercial Robot Co., Ltd. | 22 |
10 |
| Beijing Hutt Wisdom Technology Co.,LTD. | 20 |
10 |
| Alfred Kärcher SE & Co. KG | 786 |
9 |
| BSH Bosch und Siemens Hausgerate GmbH | 2386 |
6 |
| Hobot Technology Inc. | 29 |
6 |
| Jingjie Xunhang (Suzhou) Technology Co., Ltd. | 8 |
6 |
| Intellectual Discovery Co., Ltd. | 674 |
5 |
| Urakami LLC | 29 |
5 |
| ECOVACS Robotics, Inc. | 9 |
4 |
| Ilshim Global Co., Ltd. | 5 |
4 |
| Korea Institute of Robot & Convergence | 52 |
4 |
| Pachanga Holdings, LLC | 7 |
4 |
| RF Co., Ltd. | 5 |
4 |
| Beijing Roborock Technology Co., Ltd. | 1239 |
4 |
| WCB Robotics Inc. | 8 |
4 |
| Ecovacs Home Service Robotics Co., Ltd. | 21 |
4 |
| 4wwwwie B.V. | 3 |
3 |
| Carl Freudenberg KG | 1500 |
3 |
| Other owners | 142 |