Device for detecting paper splice part of cardboard sheet, and device for producing cardboard sheet
US-12589572-B2 · Mar 31, 2026 · US
Attaching together sheets, strips or webs; Reinforcing edges
Attaching together sheets, strips or webs; Reinforcing edges · 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 | B31F5/00 |
| Official title | Attaching together sheets, strips or webs; Reinforcing edges |
| Display label | Attaching together sheets, strips or webs; Reinforcing edges |
| Total patents | 45 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 7 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 6 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and tool for producing a breakable weak point in molded bodies made of fiber-containing material and molded bodies made of fiber-containing material having a breakable weak point
US-2025354337-A1 · Nov 20, 2025 · US
Cardboard processing machine and method for attaching a foil tape to a cardboard
US-2025206486-A1 · Jun 26, 2025 · US
Paper sheet fitting method and paper molded article
US-12202224-B2 · Jan 21, 2025 · US
Multi-ply fibrous structure-containing articles
US-2024060243-A1 · Feb 22, 2024 · US
Device for detecting paper splice part of cardboard sheet, and device for producing cardboard sheet
US-2024051253-A1 · Feb 15, 2024 · US
Paper sheet fitting method and paper molded article
US-2023302757-A1 · Sep 28, 2023 · US
Multi-ply fibrous structure-containing articles
US-11767642-B2 · Sep 26, 2023 · US
Process for making multi-ply fibrous structure containing articles
US-11732422-B2 · Aug 22, 2023 · US
Multi-ply fibrous structure-containing articles
US-2023228038-A1 · Jul 20, 2023 · US
Multi-ply fibrous structure-containing articles
US-11639582-B2 · May 2, 2023 · US
Process for Making Multi-Ply Fibrous Structure Containing Articles
US-2021285162-A1 · Sep 16, 2021 · US
Multi-Ply Fibrous Structure-Containing Articles
US-2021230807-A1 · Jul 29, 2021 · US
Multi-ply fibrous structure-containing articles
US-10982393-B2 · Apr 20, 2021 · US
Process for making multi-ply fibrous structure-containing articles
US-10968571-B2 · Apr 6, 2021 · US
Multi-Ply Fibrous Structure-Containing Articles
US-2021095427-A1 · Apr 1, 2021 · US
Multi-ply fibrous structure-containing articles
US-10907308-B2 · Feb 2, 2021 · US
Laminating machine
US-10821716-B2 · Nov 3, 2020 · US
Absorbent stack of sheets having compressed and sewn binding
US-2020290304-A1 · Sep 17, 2020 · US
Ultrasonic anvil having low transmissibility
US-10695860-B2 · Jun 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B31F5/00?
- CPC B31F5/00 is the Cooperative Patent Classification code for “Attaching together sheets, strips or webs; Reinforcing edges.”
- How many patents are filed under CPC B31F5/00 (Attaching together sheets, strips or webs; Reinforcing edges)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC B31F5/00 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).