- All sections
- A - Human necessities
- A47L - Domestic washing or cleaningsuction cleaners in general
- A47L 13/04 - Scraping with steel wool
Patent holdings for IPC class A47L 13/04
Total number of patents in this class: 5
10-year publication summary
|
2
|
2
|
1
|
1
|
0
|
2
|
1
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17855 |
3 |
| iRobot Corporation | 968 |
1 |
| American Invented Products. Inc. | 6 |
1 |
| Other owners | 0 |