- All sections
- A - Human necessities
- A47L - Domestic washing or cleaning; suction cleaners in general
- A47L 11/283 - Floor-scrubbing machines, motor-driven having rotary tools the tools being disc brushes
Patent holdings for IPC class A47L 11/283
Total number of patents in this class: 198
10-year publication summary
|
15
|
11
|
6
|
21
|
26
|
21
|
39
|
14
|
23
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
39 |
| Intelligent Cleaning Equipment Holdings Co. Ltd. | 55 |
17 |
| Tennant Company | 246 |
12 |
| Samsung Electronics Co., Ltd. | 131630 |
10 |
| BISSELL Inc. | 1064 |
7 |
| Numatic International Limited, | 151 |
7 |
| Nilfisk A/S | 153 |
7 |
| Diversey, Inc. | 961 |
5 |
| Ningbo Fujia Industrial Co., Ltd. | 32 |
5 |
| Yunjing Intelligence Technology (Dongguan) Co., Ltd. | 78 |
5 |
| Hako GmbH | 55 |
4 |
| Murata Machinery, Ltd. | 1386 |
4 |
| Alfred Kärcher SE & Co. KG | 547 |
4 |
| Makita Corporation | 2339 |
3 |
| Brain Corporation | 268 |
3 |
| Zhejiang Prulde Electric Appliance Co.,Ltd. | 75 |
3 |
| HONORS Co., Ltd. | 5 |
3 |
| Dreame Innovation Technology (Suzhou) Co., Ltd. | 273 |
3 |
| Alfred Kärcher GmbH & Co. KG | 398 |
2 |
| Ecovacs Robotics Co., Ltd. | 346 |
2 |
| Other owners | 53 |