- 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: 5245
10-year publication summary
|
276
|
272
|
313
|
460
|
416
|
601
|
679
|
784
|
699
|
529
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 73111 |
421 |
| BISSELL Inc. | 1152 |
283 |
| Beijing Roborock Technology Co., Ltd. | 707 |
280 |
| iRobot Corporation | 964 |
249 |
| Samsung Electronics Co., Ltd. | 146346 |
193 |
| Alfred Kärcher SE & Co. KG | 664 |
127 |
| Dreame Innovation Technology (Suzhou) Co., Ltd. | 296 |
124 |
| Sharkninja Operating LLC | 2425 |
105 |
| Techtronic Floor Care Technology Limited | 355 |
93 |
| Midea Robozone Technology Co., Ltd. | 190 |
89 |
| Alfred Kärcher GmbH & Co. KG | 374 |
73 |
| Beijing Roborock Innovation Technology Co., Ltd. | 136 |
69 |
| Vorwerk & Co. Interholding GmbH | 461 |
64 |
| Midea Group Co., Ltd. | 4554 |
63 |
| Ecovacs Robotics Co., Ltd. | 375 |
60 |
| Jiangsu Midea Cleaning Appliances Co., Ltd. | 271 |
55 |
| Tennant Company | 262 |
55 |
| Dyson Technology Limited | 3641 |
54 |
| Omachron Intellectual Property Inc. | 905 |
53 |
| Yunjing Intelligence (Shenzhen) Co., Ltd. | 79 |
48 |
| Other owners | 2687 |