- 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: 146
10-year publication summary
|
4
|
8
|
16
|
8
|
17
|
11
|
10
|
11
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| iRobot Corporation | 958 |
15 |
| LG Electronics Inc. | 75045 |
11 |
| Omachron Intellectual Property Inc. | 953 |
10 |
| Dyson Technology Limited | 3907 |
8 |
| Samsung Electronics Co., Ltd. | 154120 |
6 |
| Aktiebolaget Electrolux | 854 |
6 |
| BISSELL Inc. | 1147 |
6 |
| Husqvarna AB | 2983 |
6 |
| Hilti Aktiengesellschaft | 3592 |
5 |
| Emerson Electric Co. | 526 |
5 |
| Techtronic Floor Care Technology Limited | 359 |
5 |
| BSH Bosch und Siemens Hausgerate GmbH | 2565 |
3 |
| Grey Technology Limited | 34 |
3 |
| Alfred Kärcher SE & Co. KG | 745 |
3 |
| RCMK Industries, LLC | 4 |
3 |
| BSH Hausgeräte GmbH | 5602 |
2 |
| Pixart Imaging Inc. | 1711 |
2 |
| Sharkninja Operating LLC | 2614 |
2 |
| Vorwerk & Co. Interholding GmbH | 456 |
2 |
| Nilfisk A/S | 160 |
2 |
| Other owners | 41 |