- All sections
- A - Human necessities
- A47L - Domestic washing or cleaningsuction cleaners in general
- A47L 9/19 - Means for monitoring filtering operation
Patent holdings for IPC class A47L 9/19
Total number of patents in this class: 154
10-year publication summary
|
14
|
4
|
8
|
16
|
8
|
17
|
11
|
10
|
11
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| iRobot Corporation | 960 |
14 |
| LG Electronics Inc. | 71074 |
11 |
| Omachron Intellectual Property Inc. | 920 |
10 |
| BSH Bosch und Siemens Hausgerate GmbH | 3038 |
7 |
| Dyson Technology Limited | 3437 |
7 |
| Samsung Electronics Co., Ltd. | 139302 |
6 |
| Aktiebolaget Electrolux | 766 |
6 |
| BISSELL Inc. | 1087 |
6 |
| Husqvarna AB | 2884 |
6 |
| Hilti Aktiengesellschaft | 3391 |
5 |
| Emerson Electric Co. | 580 |
5 |
| Techtronic Floor Care Technology Limited | 353 |
5 |
| Cube Investments Limited | 14 |
4 |
| Grey Technology Limited | 35 |
3 |
| Vorwerk & Co. Interholding GmbH | 467 |
3 |
| Alfred Kärcher SE & Co. KG | 605 |
3 |
| RCMK Industries, LLC | 5 |
3 |
| BSH Hausgeräte GmbH | 5461 |
2 |
| Pixart Imaging Inc. | 1617 |
2 |
| Sharkninja Operating LLC | 2251 |
2 |
| Other owners | 44 |