System for forming constructs that include microwave interactive material
US-11167518-B2 · Nov 9, 2021 · US
Auxiliary operations
Auxiliary operations · 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 | B31B50/74 |
| Official title | Auxiliary operations |
| Display label | Auxiliary operations |
| Total patents | 87 |
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 | 6 |
| 2017 | 10 |
| 2018 | 11 |
| 2019 | 13 |
| 2020 | 11 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 9 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Stackable corrugated shipping and display container and method of making same
US-2021130033-A1 · May 6, 2021 · US
Box forming machine
US-2021001583-A1 · Jan 7, 2021 · US
Method for improving the heat sealability of packaging material and method for manufacturing heat-sealed container or package
US-10857753-B2 · Dec 8, 2020 · US
Box forming machine
US-10850469-B2 · Dec 1, 2020 · US
Multi-layer thermoplastic films and bags with enhanced light transmittance and methods for making the same
US-10787293-B2 · Sep 29, 2020 · US
Packaging machine and systems
US-2020290303-A1 · Sep 17, 2020 · US
Multi-layer thermoplastic films and bags with enhanced light transmittance and methods for making the same
US-2020277107-A1 · Sep 3, 2020 · US
Optical device for checking a face of a blank
US-10647458-B2 · May 12, 2020 · US
Perforated top curl for plastic container
US-10625480-B2 · Apr 21, 2020 · US
Method and system for automatically processing blanks for packaging boxes
US-10583943-B2 · Mar 10, 2020 · US
Display tray with support column and apertures
US-10562661-B2 · Feb 18, 2020 · US
Offset blank nesting
US-10538374-B2 · Jan 21, 2020 · US
Blanks and methods for forming a shelf-ready display container
US-10526107-B2 · Jan 7, 2020 · US
Liner
US-2019359413-A1 · Nov 28, 2019 · US
Liner
US-2019359412-A1 · Nov 28, 2019 · US
Liner
US-2019359414-A1 · Nov 28, 2019 · US
Sheet stacking device, counter ejector, and box making machine
US-2019351636-A1 · Nov 21, 2019 · US
Methods and machine for forming a two-piece blank assembly
US-2019329516-A1 · Oct 31, 2019 · US
Convertible retail ready package
US-2019322412-A1 · Oct 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B31B50/74?
- CPC B31B50/74 is the Cooperative Patent Classification code for “Auxiliary operations.”
- How many patents are filed under CPC B31B50/74 (Auxiliary operations)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC B31B50/74 growing?
- Publication counts under this code: 9 in 2024 vs 3 in 2025 (latest complete years).