- 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 |