Patent holdings for IPC class A47L 11/40

Total number of patents in this class: 3312

10-year publication summary

111
189
206
276
272
314
451
409
589
620
2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
66125
321
iRobot Corporation
952
221
BISSELL Inc.
1032
184
Samsung Electronics Co., Ltd.
118560
100
Alfred Kärcher SE & Co. KG
458
80
Alfred Kärcher GmbH & Co. KG
420
76
Techtronic Floor Care Technology Limited
355
70
Beijing Roborock Technology Co., Ltd.
185
62
Vorwerk & Co. Interholding GmbH
434
60
Midea Robozone Technology Co., Ltd.
111
52
Sharkninja Operating LLC
1597
49
Omachron Intellectual Property Inc.
777
46
Tennant Company
252
46
Bissel Inc.
408
45
Shenzhen Silver Star Intelligent Technology Co., Ltd.
63
40
Ecovacs Robotics Co., Ltd.
310
37
Midea Group Co., Ltd.
3440
37
Walmart Apollo, LLC
5463
37
Dreame Innovation Technology (Suzhou) Co., Ltd.
98
37
Koninklijke Philips N.V.
22131
36
Other owners 1676