- 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: 4425
10-year publication summary
|
371
|
412
|
431
|
475
|
496
|
437
|
457
|
416
|
356
|
78
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 74502 |
918 |
| Samsung Electronics Co., Ltd. | 152016 |
481 |
| Omachron Intellectual Property Inc. | 948 |
249 |
| iRobot Corporation | 963 |
213 |
| Dyson Technology Limited | 3833 |
156 |
| Sharkninja Operating LLC | 2559 |
106 |
| Sharp Kabushiki Kaisha | 18627 |
89 |
| BISSELL Inc. | 1151 |
80 |
| Toshiba Lifestyle Products & Services Corporation | 276 |
80 |
| Techtronic Floor Care Technology Limited | 364 |
77 |
| Vorwerk & Co. Interholding GmbH | 453 |
76 |
| Panasonic Intellectual Property Management Co., Ltd. | 33120 |
72 |
| Aktiebolaget Electrolux | 862 |
67 |
| Makita Corporation | 2505 |
66 |
| Jiangsu Midea Cleaning Appliances Co., Ltd. | 308 |
49 |
| Pixart Imaging Inc. | 1701 |
34 |
| Alfred Kärcher SE & Co. KG | 731 |
34 |
| BSH Hausgeräte GmbH | 5574 |
33 |
| Emerson Electric Co. | 529 |
33 |
| Mitsubishi Electric Corporation | 47416 |
29 |
| Other owners | 1483 |