- All sections
- A - Human necessities
- A47L - Domestic washing or cleaning; suction cleaners in general
- A47L 9/28 - Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
Patent holdings for IPC class A47L 9/28
Total number of patents in this class: 3396
10-year publication summary
|
139
|
179
|
239
|
387
|
415
|
436
|
481
|
485
|
429
|
35
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 66562 |
758 |
| Samsung Electronics Co., Ltd. | 119627 |
274 |
| iRobot Corporation | 954 |
180 |
| Omachron Intellectual Property Inc. | 781 |
166 |
| Toshiba Lifestyle Products & Services Corporation | 309 |
99 |
| Sharp Kabushiki Kaisha | 18927 |
89 |
| Dyson Technology Limited | 2815 |
83 |
| Vorwerk & Co. Interholding GmbH | 450 |
75 |
| Panasonic Intellectual Property Management Co., Ltd. | 26023 |
64 |
| Sharkninja Operating LLC | 1634 |
64 |
| Aktiebolaget Electrolux | 782 |
61 |
| Techtronic Floor Care Technology Limited | 351 |
61 |
| Makita Corporation | 2150 |
56 |
| BISSELL Inc. | 1034 |
53 |
| Jiangsu Midea Cleaning Appliances Co., Ltd. | 215 |
44 |
| Emerson Electric Co. | 1152 |
34 |
| Mitsubishi Electric Corporation | 41088 |
29 |
| Black & Decker, Inc. | 2535 |
26 |
| Alfred Kärcher GmbH & Co. KG | 417 |
24 |
| Techtronic Industries Co. Ltd. | 106 |
23 |
| Other owners | 1133 |