Method for processing map of closed space, apparatus, and mobile device
US-12140960-B2 · Nov 12, 2024 · US
Floor-scrubbing machines, motor-driven (A47L11/29 takes precedence)
Floor-scrubbing machines, motor-driven (A47L11/29 takes precedence) · 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 | A47L11/28 |
| Official title | Floor-scrubbing machines, motor-driven (A47L11/29 takes precedence) |
| Display label | Floor-scrubbing machines, motor-driven (A47L11/29 takes precedence) |
| Total patents | 321 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 11 |
| 2017 | 15 |
| 2018 | 15 |
| 2019 | 25 |
| 2020 | 30 |
| 2021 | 34 |
| 2022 | 39 |
| 2023 | 44 |
| 2024 | 41 |
| 2025 | 45 |
| 2026 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cleaning of pet areas by autonomous cleaning robots
US-10463217-B1 · Nov 5, 2019 · US
Combined robot
US-2019298138-A1 · Oct 3, 2019 · US
Wet robot docking station
US-10383499-B2 · Aug 20, 2019 · US
Mobile Cleaning Robot Artificial Intelligence for Situational Awareness
US-2019213438-A1 · Jul 11, 2019 · US
Surface cleaning apparatus
US-2019142238-A1 · May 16, 2019 · US
Vehicle cleaning system and method
US-2019111897-A1 · Apr 18, 2019 · US
Cleaning robot and method of surmounting obstacle
US-2019104908-A1 · Apr 11, 2019 · US
Mobile apparatus, chassis of mobile apparatus, and angle change method for chassis
US-10213084-B2 · Feb 26, 2019 · US
Surface cleaning apparatus
US-10188252-B2 · Jan 29, 2019 · US
Supply and/or disposal system for autonomous deep cleaner
US-2018368646-A1 · Dec 27, 2018 · US
Floor cleaning apparatus and method of cleaning a floor
US-10130231-B2 · Nov 20, 2018 · US
Mobile apparatus, chassis of mobile apparatus, and angle change method for chassis
US-2018310794-A1 · Nov 1, 2018 · US
Cleaner and controlling method thereof
US-2018249872-A1 · Sep 6, 2018 · US
Autonomous floor cleaning with removable pad
US-10064533-B2 · Sep 4, 2018 · US
System of robotic cleaning devices
US-2018242806-A1 · Aug 30, 2018 · US
Wall following robot
US-2018228333-A1 · Aug 16, 2018 · US
Cleaning robot and method of cleaning thereof
US-2018192845-A1 · Jul 12, 2018 · US
Cleaning device for acting upon a surface to be cleaned
US-2018177375-A1 · Jun 28, 2018 · US
Systems and methods for tracking a cleaning device in a shopping space
US-2018160223-A1 · Jun 7, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A47L11/28?
- CPC A47L11/28 is the Cooperative Patent Classification code for “Floor-scrubbing machines, motor-driven (A47L11/29 takes precedence).”
- How many patents are filed under CPC A47L11/28 (Floor-scrubbing machines, motor-driven (A47L11/29 takes precedence))?
- Our database includes 321 publications tagged with this CPC code.
- Is patent activity under CPC A47L11/28 growing?
- Publication counts under this code: 41 in 2024 vs 45 in 2025 (latest complete years).