Folder folder
US-12377676-B2 · Aug 5, 2025 · US
This page is not indexed by search engines while we improve data quality.
in two sections engaging each other when closed
in two sections engaging each other when closed · 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 | B42F13/22 |
| Official title | in two sections engaging each other when closed |
| Display label | in two sections engaging each other when closed |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Folder notebooks
US-2020114678-A1 · Apr 16, 2020 · US
Folder notebooks
US-10507682-B2 · Dec 17, 2019 · US
Binding component
US-10065445-B2 · Sep 4, 2018 · US
Single booster binder mechanism
US-2017341455-A1 · Nov 30, 2017 · US
Single booster binder mechanism
US-9731542-B2 · Aug 15, 2017 · US
Single booster binder mechanism
US-2016355047-A1 · Dec 8, 2016 · US
Binder apparatus
US-9409436-B2 · Aug 9, 2016 · US
Binding component
US-2015298486-A1 · Oct 22, 2015 · US
Sortable notepad
US-9108453-B2 · Aug 18, 2015 · US
Ring binder mechanism having unitary structure
US-9067457-B2 · Jun 30, 2015 · US
Single booster binder mechanism
US-2015104238-A1 · Apr 16, 2015 · US