Foldable containers with improved dumping features
US-12110049-B2 · Oct 8, 2024 · US
Details of doors or cover lids
Details of doors or cover lids · 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 | B62B3/004 |
| Official title | {Details of doors or cover lids} |
| Display label | Details of doors or cover lids |
| Total patents | 77 |
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 | 5 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 13 |
| 2024 | 3 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Stocking cart and method of transporting items using the same
US-11814095-B2 · Nov 14, 2023 · US
Utility cart
US-2023347954-A1 · Nov 2, 2023 · US
Locking mechanisms to secure multiple cart components
US-2023249883-A1 · Aug 10, 2023 · US
Cleaning cart
US-2023182796-A1 · Jun 15, 2023 · US
Foldable containers with improved dumping features
US-2023174129-A1 · Jun 8, 2023 · US
Stocking cart and method of transporting items using the same
US-2023159074-A1 · May 25, 2023 · US
Secure storage container
US-2023159264-A1 · May 25, 2023 · US
Beverage Serving Trolley
US-2023143591-A1 · May 11, 2023 · US
Stocking cart and method of transporting items using the same
US-11643124-B2 · May 9, 2023 · US
Beverage Serving Trolley
US-2023114863-A1 · Apr 13, 2023 · US
Beverage Serving Trolley With Improved Beverage Presentation
US-2023106691-A1 · Apr 6, 2023 · US
Beverage Serving Trolley
US-2023099104-A1 · Mar 30, 2023 · US
Transport trolley for consignments, and method for operating the transport trolley
US-11554706-B2 · Jan 17, 2023 · US
Mobility apparatus
US-11492030-B2 · Nov 8, 2022 · US
Stocking cart and method of transporting items using the same
US-2022258783-A1 · Aug 18, 2022 · US
Container, method for delivering a plurality of articles, and method for picking up at least one article implementing such container
US-2022212707-A1 · Jul 7, 2022 · US
Multi-Level Delivery System and Associated Apparatus
US-2022153328-A1 · May 19, 2022 · US
Charging and storage cart with accessory mounting system and method
US-11332177-B2 · May 17, 2022 · US
Stocking cart and method of transporting items using the same
US-11325626-B2 · May 10, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B62B3/004?
- CPC B62B3/004 is the Cooperative Patent Classification code for “Details of doors or cover lids.”
- How many patents are filed under CPC B62B3/004 (Details of doors or cover lids)?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC B62B3/004 growing?
- Publication counts under this code: 3 in 2024 vs 12 in 2025 (latest complete years).