Cutting waste removing device, slotter device, and box making machine
US-12479121-B2 · Nov 25, 2025 · US
Notching; Trimming edges of flaps · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B31B50/22 |
| Official title | Notching; Trimming edges of flaps |
| Display label | Notching; Trimming edges of flaps |
| Total patents | 48 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 4 |
| 2020 | 7 |
| 2021 | 9 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12479121-B2 · Nov 25, 2025 · US
US-2024370884-A1 · Nov 7, 2024 · US
US-2024353828-A1 · Oct 24, 2024 · US
US-2024293949-A1 · Sep 5, 2024 · US
US-12073419-B2 · Aug 27, 2024 · US
US-2024101302-A1 · Mar 28, 2024 · US
US-2023373182-A1 · Nov 23, 2023 · US
US-11760530-B2 · Sep 19, 2023 · US
US-11752724-B2 · Sep 12, 2023 · US
US-11643241-B2 · May 9, 2023 · US
US-11643242-B2 · May 9, 2023 · US
US-11602915-B2 · Mar 14, 2023 · US
US-2023075729-A1 · Mar 9, 2023 · US
US-11390050-B2 · Jul 19, 2022 · US
US-11325740-B2 · May 10, 2022 · US
US-2022048269-A1 · Feb 17, 2022 · US
US-2022040949-A1 · Feb 10, 2022 · US
US-11203173-B2 · Dec 21, 2021 · US
US-2021371155-A1 · Dec 2, 2021 · US
US-11072140-B2 · Jul 27, 2021 · US
Answers are generated from the same data shown on this page.