- All sections
- A - Human necessities
- A47L - Domestic washing or cleaningsuction cleaners in general
- A47L 9/12 - Dry filters
Patent holdings for IPC class A47L 9/12
Total number of patents in this class: 935
10-year publication summary
|
36
|
102
|
99
|
101
|
110
|
101
|
76
|
81
|
98
|
54
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omachron Intellectual Property Inc. | 921 |
195 |
| LG Electronics Inc. | 73531 |
158 |
| Dyson Technology Limited | 3671 |
67 |
| Sharkninja Operating LLC | 2447 |
50 |
| BISSELL Inc. | 1151 |
28 |
| Samsung Electronics Co., Ltd. | 147501 |
26 |
| Aktiebolaget Electrolux | 877 |
21 |
| iRobot Corporation | 970 |
21 |
| Hilti Aktiengesellschaft | 3506 |
20 |
| Techtronic Floor Care Technology Limited | 357 |
16 |
| Techtronic Industries Co. Ltd. | 102 |
16 |
| Emerson Electric Co. | 549 |
12 |
| Alfred Kärcher SE & Co. KG | 689 |
11 |
| Black & Decker, Inc. | 2412 |
10 |
| Bissel Inc. | 318 |
10 |
| Makita Corporation | 2457 |
9 |
| Techtronic Cordless GP, Gainful Plan Trading Limited, an entity organized in the British Virgin Islands and TTI Finance Ltd., an entity organized in the British Virgin Islands | 1599 |
9 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 12600 |
8 |
| Suzhou Alton Electrical & Mechanical Industry Co., Ltd. | 60 |
8 |
| Great Star Tools USA, Inc. | 282 |
8 |
| Other owners | 232 |