- All sections
- A - Human necessities
- A47L - Domestic washing or cleaningsuction 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: 254
10-year publication summary
|
6
|
21
|
26
|
21
|
39
|
14
|
23
|
14
|
28
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 76087 |
42 |
| Intelligent Cleaning Equipment Holdings Co. Ltd. | 58 |
18 |
| Beijing Roborock Technology Co., Ltd. | 1230 |
16 |
| Nilfisk A/S | 172 |
15 |
| Samsung Electronics Co., Ltd. | 159029 |
12 |
| Tennant Company | 261 |
11 |
| Dreame Innovation Technology (Suzhou) Co., Ltd. | 390 |
9 |
| BISSELL Inc. | 1146 |
7 |
| Numatic International Limited, | 175 |
7 |
| Alfred Kärcher SE & Co. KG | 778 |
7 |
| Diversey, Inc. | 891 |
6 |
| Makita Corporation | 2587 |
5 |
| Ningbo Fujia Industrial Co., Ltd. | 43 |
5 |
| Zhejiang Prulde Electric Appliance Co.,Ltd. | 149 |
5 |
| Yunjing Intelligence Technology (Dongguan) Co., Ltd. | 75 |
5 |
| Hako GmbH | 58 |
4 |
| Murata Machinery, Ltd. | 1612 |
4 |
| Brain Corporation | 296 |
3 |
| Ecovacs Robotics Co., Ltd. | 418 |
3 |
| Minuteman International, Inc. | 39 |
2 |
| Other owners | 68 |