Coverage robots and associated cleaning bins
US-2019387946-A1 · Dec 26, 2019 · US
Emptying dust or waste liquid containers
Emptying dust or waste liquid containers · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A47L2201/024 |
| Official title | Emptying dust or waste liquid containers |
| Display label | Emptying dust or waste liquid containers |
| Total patents | 487 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 12 |
| 2017 | 11 |
| 2018 | 22 |
| 2019 | 24 |
| 2020 | 51 |
| 2021 | 36 |
| 2022 | 60 |
| 2023 | 75 |
| 2024 | 87 |
| 2025 | 84 |
| 2026 | 19 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Robotic device performing autonomous self-service
US-2019343358-A1 · Nov 14, 2019 · US
Filtering devices for evacuation stations
US-2019335967-A1 · Nov 7, 2019 · US
Evacuation station
US-10463215-B2 · Nov 5, 2019 · US
Cleaning bin for cleaning robot
US-10456002-B2 · Oct 29, 2019 · US
Robot vacuum cleaner
US-2019298120-A1 · Oct 3, 2019 · US
Debris monitoring
US-2019223679-A1 · Jul 25, 2019 · US
Mobile cleaning robot teaming and persistent mapping
US-2019212752-A1 · Jul 11, 2019 · US
Mobile robot docking systems and methods
US-2019202064-A1 · Jul 4, 2019 · US
Supply and/or disposal system for autonomous deep cleaner
US-2018368646-A1 · Dec 27, 2018 · US
System with at least two cleaning devices
US-2018360282-A1 · Dec 20, 2018 · US
Evacuation station
US-10154768-B2 · Dec 18, 2018 · US
Electric vacuum cleaning apparatus
US-10143348-B2 · Dec 4, 2018 · US
Charging stand for vacuum cleaner
US-10136786-B2 · Nov 27, 2018 · US
Robot cleaner having dust sensing unit
US-2018296051-A1 · Oct 18, 2018 · US
Evacuation station
US-2018235424-A1 · Aug 23, 2018 · US
Robot cleaner having dust sensing unit
US-10028631-B2 · Jul 24, 2018 · US
Electric cleaning apparatus
US-2018199776-A1 · Jul 19, 2018 · US
Debris monitoring
US-2018199784-A1 · Jul 19, 2018 · US
Electric vacuum cleaner
US-10022029-B2 · Jul 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A47L2201/024?
- CPC A47L2201/024 is the Cooperative Patent Classification code for “Emptying dust or waste liquid containers.”
- How many patents are filed under CPC A47L2201/024 (Emptying dust or waste liquid containers)?
- Our database includes 487 publications tagged with this CPC code.
- Is patent activity under CPC A47L2201/024 growing?
- Publication counts under this code: 87 in 2024 vs 84 in 2025 (latest complete years).