Patent holdings for IPC class A47L 11/40

Total number of patents in this class: 5277

10-year publication summary

264
262
303
447
398
581
666
764
697
555
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
73344
423
BISSELL Inc.
1153
283
Beijing Roborock Technology Co., Ltd.
719
281
iRobot Corporation
968
249
Samsung Electronics Co., Ltd.
146811
195
Alfred Kärcher SE & Co. KG
677
129
Dreame Innovation Technology (Suzhou) Co., Ltd.
297
125
Sharkninja Operating LLC
2433
105
Techtronic Floor Care Technology Limited
357
94
Midea Robozone Technology Co., Ltd.
190
89
Alfred Kärcher GmbH & Co. KG
373
73
Beijing Roborock Innovation Technology Co., Ltd.
137
69
Vorwerk & Co. Interholding GmbH
461
64
Midea Group Co., Ltd.
4558
63
Ecovacs Robotics Co., Ltd.
383
60
Jiangsu Midea Cleaning Appliances Co., Ltd.
269
55
Tennant Company
263
55
Yunjing Intelligence (Shenzhen) Co., Ltd.
92
55
Dyson Technology Limited
3653
54
Omachron Intellectual Property Inc.
910
54
Other owners 2702