- All sections
- A - Human necessities
- A47L - Domestic washing or cleaning; suction 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: 147
10-year publication summary
|
12
|
14
|
4
|
8
|
16
|
8
|
17
|
10
|
10
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| iRobot Corporation | 946 |
13 |
| LG Electronics Inc. | 69257 |
11 |
| Omachron Intellectual Property Inc. | 869 |
10 |
| BSH Bosch und Siemens Hausgerate GmbH | 3236 |
8 |
| Aktiebolaget Electrolux | 758 |
6 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| Hilti Aktiengesellschaft | 3227 |
5 |
| BISSELL Inc. | 1064 |
5 |
| Emerson Electric Co. | 601 |
5 |
| Husqvarna AB | 2824 |
5 |
| Techtronic Floor Care Technology Limited | 352 |
5 |
| Cube Investments Limited | 22 |
4 |
| Dyson Technology Limited | 3124 |
4 |
| Vorwerk & Co. Interholding GmbH | 469 |
4 |
| Grey Technology Limited | 34 |
3 |
| Alfred Kärcher SE & Co. KG | 547 |
3 |
| RCMK Industries, LLC | 5 |
3 |
| BSH Hausgeräte GmbH | 5384 |
2 |
| Sharkninja Operating LLC | 1968 |
2 |
| Nilfisk A/S | 153 |
2 |
| Other owners | 42 |