Power-assisted trolley
US-2023391389-A1 · Dec 7, 2023 · US
folding down the body to the wheel carriage or by retracting projecting parts (collapsible containers B65D, e.g. B65D7/24, B65D9/12, B65D11/18)
folding down the body to the wheel carriage or by retracting projecting parts (collapsible containers B65D, e.g. B65D7/24, B65D9/12, B65D11/18) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B62B3/022 |
| Official title | {folding down the body to the wheel carriage or by retracting projecting parts (collapsible containers B65D, e.g. B65D7/24, B65D9/12, B65D11/18)} |
| Display label | folding down the body to the wheel carriage or by retracting projecting parts (collapsible containers B65D, e.g. B65D7/24, B65D9/12, B65D11/18) |
| Total patents | 90 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 11 |
| 2022 | 9 |
| 2023 | 8 |
| 2024 | 8 |
| 2025 | 19 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Extension gate for trolley
US-11780485-B2 · Oct 10, 2023 · US
Height adjustable kick bucket and height adjustable stand
US-11684444-B2 · Jun 27, 2023 · US
Foldable wagon
US-11685416-B2 · Jun 27, 2023 · US
Conveyor system
US-11673215-B2 · Jun 13, 2023 · US
Material transport cart
US-2023119432-A1 · Apr 20, 2023 · US
Inflatable delivery cabinet
US-11617438-B2 · Apr 4, 2023 · US
Material transport cart
US-11554943-B2 · Jan 17, 2023 · US
Support device for metrology instruments
US-2022281500-A1 · Sep 8, 2022 · US
Platform extension mechanism
US-11420319-B2 · Aug 23, 2022 · US
Push-pull wagon
US-2022194451-A1 · Jun 23, 2022 · US
Cargo delivery system adapter for an electric vehicle
US-2022097590-A1 · Mar 31, 2022 · US
Inflatable Delivery Cabinet
US-2022031069-A1 · Feb 3, 2022 · US
Compactible wagon
US-11235792-B2 · Feb 1, 2022 · US
Portable and modular transportation unit with improved transport capabilities
US-11230312-B2 · Jan 25, 2022 · US
Extension gate for trolley
US-2022017133-A1 · Jan 20, 2022 · US
Cargo delivery system adapter for an electric vehicle
US-11220200-B2 · Jan 11, 2022 · US
Portable and modular transportation unit with improved transport capabilities
US-2021370995-A1 · Dec 2, 2021 · US
Trolley with uv sanitation
US-2021361799-A1 · Nov 25, 2021 · US
Folding dolly system and methods for assembling and utilizing a dolly system
US-11167779-B2 · Nov 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B62B3/022?
- CPC B62B3/022 is the Cooperative Patent Classification code for “folding down the body to the wheel carriage or by retracting projecting parts (collapsible containers B65D, e.g. B65D7/24, B65D9/12, B65D11/18).”
- How many patents are filed under CPC B62B3/022 (folding down the body to the wheel carriage or by retracting projecting parts (collapsible containers B65D, e.g. B65D7/24, B65D9/12, B65D11/18))?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC B62B3/022 growing?
- Publication counts under this code: 8 in 2024 vs 19 in 2025 (latest complete years).