Temperature adjustment device for printing machine
US-11932029-B2 · Mar 19, 2024 · US
Ducts, containers, supply or metering devices
Ducts, containers, supply or metering devices · 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 | B41F31/02 |
| Official title | Ducts, containers, supply or metering devices |
| Display label | Ducts, containers, supply or metering devices |
| Total patents | 86 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 11 |
| 2021 | 13 |
| 2022 | 18 |
| 2023 | 3 |
| 2024 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Print substance output adjustments
US-2021325798-A1 · Oct 21, 2021 · US
Low-volume flexographic inking system
US-11135832-B2 · Oct 5, 2021 · US
Liquid recovery from attachment assemblies via secondary vent port
US-2021291538-A1 · Sep 23, 2021 · US
Printer fluid ports
US-2021268803-A1 · Sep 2, 2021 · US
Overflow chamber for print fluid tanks
US-2021268792-A1 · Sep 2, 2021 · US
Print substance reservoirs
US-2021252849-A1 · Aug 19, 2021 · US
Sheet-fed printing machine having a simultaneous printing unit for security printing
US-2021237426-A1 · Aug 5, 2021 · US
Ink box proofed against air blockages
US-11034144-B2 · Jun 15, 2021 · US
Blow bottle and method for molding blow bottle
US-10968004-B2 · Apr 6, 2021 · US
Printing devices
US-2021064306-A1 · Mar 4, 2021 · US
Method and apparatus for digital dyeing of thread
US-2021008868-A1 · Jan 14, 2021 · US
Vented reservoirs with floats for print agents
US-2020398553-A1 · Dec 24, 2020 · US
Door locks
US-2020391501-A1 · Dec 17, 2020 · US
Automated printer robotic arm
US-2020391499-A1 · Dec 17, 2020 · US
Automated printer smart cart
US-2020391500-A1 · Dec 17, 2020 · US
Method and system for automated changeover and replacement within a stencil printer
US-2020391503-A1 · Dec 17, 2020 · US
Two-component drip edge
US-2020307176-A1 · Oct 1, 2020 · US
Ink jet recording method and ink jet recording apparatus with bringing porous body of liquid absorbing member into contact with ink image
US-10759193-B2 · Sep 1, 2020 · US
Pattern-free anilox inking system and method
US-10737483-B2 · Aug 11, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41F31/02?
- CPC B41F31/02 is the Cooperative Patent Classification code for “Ducts, containers, supply or metering devices.”
- How many patents are filed under CPC B41F31/02 (Ducts, containers, supply or metering devices)?
- Our database includes 86 publications tagged with this CPC code.
- Is patent activity under CPC B41F31/02 growing?
- Publication counts under this code: 3 in 2023 vs 4 in 2024 (latest complete years).