- All sections
- A - Human necessities
- A47L - Domestic washing or cleaningsuction cleaners in general
- A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
Patent holdings for IPC class A47L 11/40
Total number of patents in this class: 6460
10-year publication summary
|
272
|
313
|
461
|
417
|
604
|
684
|
792
|
708
|
860
|
875
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Beijing Roborock Technology Co., Ltd. | 1244 |
575 |
| LG Electronics Inc. | 76328 |
482 |
| BISSELL Inc. | 1146 |
288 |
| iRobot Corporation | 956 |
266 |
| Samsung Electronics Co., Ltd. | 159755 |
257 |
| Dreame Innovation Technology (Suzhou) Co., Ltd. | 402 |
192 |
| Beijing Roborock Innovation Technology Co., Ltd. | 323 |
175 |
| Alfred Kärcher SE & Co. KG | 788 |
160 |
| Sharkninja Operating LLC | 2772 |
132 |
| Dyson Technology Limited | 4053 |
104 |
| Techtronic Floor Care Technology Limited | 361 |
104 |
| Midea Robozone Technology Co., Ltd. | 193 |
94 |
| Jiangsu Midea Cleaning Appliances Co., Ltd. | 344 |
83 |
| Midea Group Co., Ltd. | 5102 |
81 |
| Alfred Kärcher GmbH & Co. KG | 347 |
72 |
| Yunjing Intelligence (Shenzhen) Co., Ltd. | 119 |
72 |
| Yunjing Intelligence Innovation (Shenzhen) Co., Ltd. | 138 |
68 |
| Ecovacs Robotics Co., Ltd. | 427 |
66 |
| Omachron Intellectual Property Inc. | 984 |
65 |
| Vorwerk & Co. Interholding GmbH | 443 |
65 |
| Other owners | 3059 |