- All sections
- A - Human necessities
- A47L - Domestic washing or cleaningsuction cleaners in general
- A47L 9/28 - Installation of the electric equipment, e.g. adaptation or attachment to the suction cleanerControlling suction cleaners by electric means
Patent holdings for IPC class A47L 9/28
Total number of patents in this class: 4196
10-year publication summary
|
239
|
387
|
414
|
438
|
486
|
497
|
441
|
458
|
415
|
188
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 72473 |
897 |
| Samsung Electronics Co., Ltd. | 144143 |
444 |
| Omachron Intellectual Property Inc. | 897 |
225 |
| iRobot Corporation | 968 |
208 |
| Dyson Technology Limited | 3590 |
136 |
| Sharkninja Operating LLC | 2344 |
89 |
| Sharp Kabushiki Kaisha | 18799 |
89 |
| BISSELL Inc. | 1158 |
80 |
| Toshiba Lifestyle Products & Services Corporation | 271 |
79 |
| Vorwerk & Co. Interholding GmbH | 463 |
79 |
| Techtronic Floor Care Technology Limited | 357 |
75 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
69 |
| Aktiebolaget Electrolux | 764 |
66 |
| Makita Corporation | 2461 |
63 |
| Jiangsu Midea Cleaning Appliances Co., Ltd. | 255 |
46 |
| Emerson Electric Co. | 555 |
33 |
| Pixart Imaging Inc. | 1657 |
31 |
| Mitsubishi Electric Corporation | 45811 |
29 |
| Alfred Kärcher SE & Co. KG | 635 |
29 |
| Black & Decker, Inc. | 2404 |
28 |
| Other owners | 1401 |