- 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: 3812
10-year publication summary
179
|
239
|
387
|
414
|
437
|
484
|
494
|
435
|
447
|
159
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Electronics Inc. | 69257 |
849 |
Samsung Electronics Co., Ltd. | 131630 |
359 |
Omachron Intellectual Property Inc. | 869 |
192 |
iRobot Corporation | 946 |
185 |
Dyson Technology Limited | 3124 |
121 |
Sharp Kabushiki Kaisha | 18957 |
88 |
Vorwerk & Co. Interholding GmbH | 469 |
83 |
Toshiba Lifestyle Products & Services Corporation | 274 |
79 |
Sharkninja Operating LLC | 1968 |
77 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
68 |
Techtronic Floor Care Technology Limited | 352 |
67 |
Aktiebolaget Electrolux | 758 |
62 |
BISSELL Inc. | 1064 |
61 |
Makita Corporation | 2339 |
60 |
Jiangsu Midea Cleaning Appliances Co., Ltd. | 231 |
45 |
Emerson Electric Co. | 601 |
34 |
Mitsubishi Electric Corporation | 43934 |
30 |
Black & Decker, Inc. | 2402 |
28 |
Alfred Kärcher SE & Co. KG | 547 |
26 |
Pixart Imaging Inc. | 1581 |
24 |
Other owners | 1274 |