Surface cleaning apparatus
US-9820621-B2 · Nov 21, 2017 · US
Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back · 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 | A47L5/36 |
| Official title | Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back |
| Display label | Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back |
| Total patents | 357 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 23 |
| 2017 | 32 |
| 2018 | 32 |
| 2019 | 66 |
| 2020 | 51 |
| 2021 | 23 |
| 2022 | 21 |
| 2023 | 39 |
| 2024 | 24 |
| 2025 | 24 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Backpack Power Tool with a Drive Motor and a Blower Driven by the Drive Motor
US-2017311551-A1 · Nov 2, 2017 · US
Surface cleaning apparatus with different cleaning configurations
US-9801511-B2 · Oct 31, 2017 · US
Surface cleaning apparatus
US-2017265697-A1 · Sep 21, 2017 · US
Adjustable vacuum tube clamp assembly and vacuum cleaners including same
US-2017251895-A1 · Sep 7, 2017 · US
Vacuum cleaner
US-2017245718-A1 · Aug 31, 2017 · US
Vacuum cleaner
US-2017245716-A1 · Aug 31, 2017 · US
Vacuum cleaner
US-2017245706-A1 · Aug 31, 2017 · US
Vacuum cleaner
US-2017245705-A1 · Aug 31, 2017 · US
Surface cleaning apparatus
US-2017245700-A1 · Aug 31, 2017 · US
Suction nozzle and vacuum cleaner having the same
US-9737184-B2 · Aug 22, 2017 · US
Surface cleaning apparatus with different cleaning configurations
US-2017231444-A1 · Aug 17, 2017 · US
Electric blower and vacuum cleaner
US-2017231451-A1 · Aug 17, 2017 · US
Vacuum cleaner
US-9655489-B2 · May 23, 2017 · US
Configuration of a surface cleaning apparatus
US-2017119221-A1 · May 4, 2017 · US
Handle assembly for a vacuum cleaner
US-2017079495-A1 · Mar 23, 2017 · US
Handle assembly for a vacuum cleaner
US-2017071432-A1 · Mar 16, 2017 · US
Vacuum cleaner
US-2017042400-A1 · Feb 16, 2017 · US
Surface cleaning apparatus
US-9545181-B2 · Jan 17, 2017 · US
Dust collector
US-2017007085-A1 · Jan 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A47L5/36?
- CPC A47L5/36 is the Cooperative Patent Classification code for “Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back.”
- How many patents are filed under CPC A47L5/36 (Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back)?
- Our database includes 357 publications tagged with this CPC code.
- Is patent activity under CPC A47L5/36 growing?
- Publication counts under this code: 24 in 2024 vs 24 in 2025 (latest complete years).