- All sections
- A - Human necessities
- A47L - Domestic washing or cleaning; suction cleaners in general
- A47L 11/28 - Floor-scrubbing machines, motor-driven
Patent holdings for IPC class A47L 11/28
Total number of patents in this class: 410
10-year publication summary
15
|
9
|
15
|
26
|
35
|
42
|
49
|
80
|
90
|
26
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
iRobot Corporation | 946 |
31 |
Positec Power Tools (Suzhou) Co., Ltd. | 642 |
19 |
Beijing Roborock Technology Co., Ltd. | 350 |
19 |
Midea Robozone Technology Co., Ltd. | 140 |
15 |
Dreame Innovation Technology (Suzhou) Co., Ltd. | 273 |
15 |
Shenzhen silver star intelligent group co., ltd. | 72 |
12 |
LG Electronics Inc. | 69257 |
11 |
Yunjing Intelligence Technology (Dongguan) Co., Ltd. | 78 |
11 |
Ecovacs Robotics Co., Ltd. | 346 |
10 |
Shenzhen Rock Times Technology Co., Ltd. | 21 |
10 |
BISSELL Inc. | 1064 |
8 |
Shenzhen Silver Star Intelligent Technology Co., Ltd. | 46 |
8 |
Yunjing Intelligence (Shenzhen) Co., Ltd. | 45 |
8 |
Tennant Company | 246 |
7 |
Positec Power Tools (Suzhou) Co., Ltd. (non-small entity) | 208 |
7 |
Beijing Shunzao Technology Co., Ltd. | 75 |
6 |
Shenzhen Fly Rodent Dynamics Intelligent Technology Co. , Ltd. | 23 |
6 |
Suzhou Xiaoshun Technology Co., Ltd. | 31 |
6 |
Yunjing Intelligence Innovation (Shenzhen) Co., Ltd. | 65 |
6 |
Diversey, Inc. | 961 |
5 |
Other owners | 190 |