- All sections
- A - Human necessities
- A47L - Domestic washing or cleaning; suction cleaners in general
- A47L 9/12 - Dry filters
Patent holdings for IPC class A47L 9/12
Total number of patents in this class: 841
10-year publication summary
|
32
|
40
|
103
|
102
|
102
|
114
|
101
|
79
|
78
|
33
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omachron Intellectual Property Inc. | 869 |
169 |
| LG Electronics Inc. | 69257 |
141 |
| Dyson Technology Limited | 3124 |
60 |
| Sharkninja Operating LLC | 1968 |
45 |
| BISSELL Inc. | 1064 |
27 |
| Samsung Electronics Co., Ltd. | 131630 |
21 |
| iRobot Corporation | 946 |
20 |
| Aktiebolaget Electrolux | 758 |
19 |
| Hilti Aktiengesellschaft | 3227 |
17 |
| Techtronic Floor Care Technology Limited | 352 |
16 |
| Techtronic Industries Co. Ltd. | 103 |
16 |
| Emerson Electric Co. | 601 |
12 |
| Bissel Inc. | 358 |
10 |
| Black & Decker, Inc. | 2402 |
9 |
| Great Star Tools USA, Inc. | 289 |
9 |
| Alfred Kärcher SE & Co. KG | 547 |
9 |
| Jiangsu Midea Cleaning Appliances Co., Ltd. | 231 |
8 |
| Suzhou Alton Electrical & Mechanical Industry Co., Ltd. | 39 |
8 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 8764 |
7 |
| Makita Corporation | 2339 |
6 |
| Other owners | 212 |