- All sections
- A - Human necessities
- A47L - Domestic washing or cleaningsuction cleaners in general
- A47L 11/38 - Machines, specially adapted for cleaning walls, ceilings, roofs, or the like
Patent holdings for IPC class A47L 11/38
Total number of patents in this class: 175
10-year publication summary
|
19
|
14
|
25
|
19
|
24
|
20
|
16
|
17
|
15
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecovacs Robotics Co., Ltd. | 374 |
10 |
| Omachron Intellectual Property Inc. | 897 |
10 |
| Miraikikai, Inc. | 12 |
6 |
| Ecovacs Robotics (Suzhou) Co., Ltd. | 48 |
5 |
| Suzhou Ecovacs Commercial Robot Co., Ltd. | 22 |
5 |
| LG Electronics Inc. | 72208 |
4 |
| Konica Minolta, Inc. | 8643 |
4 |
| Skyrobot Inc. | 17 |
4 |
| Beijing Hutt Wisdom Technology Co.,LTD. | 17 |
4 |
| Sharp Kabushiki Kaisha | 18844 |
4 |
| Lingdu (Guangdong) Intelligent Technology Development Co., Ltd. | 4 |
4 |
| ECOVACS Robotics, Inc. | 9 |
3 |
| SZ DJI Technology Co., Ltd | 6839 |
3 |
| Urakami LLC | 29 |
3 |
| Nanjing Li-hang Industry Institute of Bionic Technology Limited Company | 21 |
3 |
| Nanjing Sinotest Robotics Co, Ltd. | 5 |
3 |
| Summit Building Wash Technologies Limited | 3 |
3 |
| Sumitomo Electric Industries, Ltd. | 15277 |
2 |
| BSH Bosch und Siemens Hausgerate GmbH | 2935 |
2 |
| Conrad in Trust, Wayne | 95 |
2 |
| Other owners | 91 |