Ink ribbon cartridge having first and second protrusions to be fitted in first and second holes of frame of printing device, and printing device using the same
US-12589606-B2 · Mar 31, 2026 · US
Ribbons carried by coaxially-mounted spools
Ribbons carried by coaxially-mounted spools · 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 | B41J33/12 |
| Official title | Ribbons carried by coaxially-mounted spools |
| Display label | Ribbons carried by coaxially-mounted spools |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 1 |
| 2019 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 7 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Printing apparatus
US-12521999-B2 · Jan 13, 2026 · US
Printing apparatus
US-12508828-B2 · Dec 30, 2025 · US
Printing cassette
US-2025100304-A1 · Mar 27, 2025 · US
Printing cassette
US-12202257-B2 · Jan 21, 2025 · US
Media processing device with enhanced media and ribbon loading and unloading features
US-12109827-B2 · Oct 8, 2024 · US
Printing apparatus
US-2024190152-A1 · Jun 13, 2024 · US
Printing apparatus
US-2024190142-A1 · Jun 13, 2024 · US
Printing cassette
US-2024174010-A1 · May 30, 2024 · US
Ink ribbon cartridge having first and second protrusions to be fitted in first and second holes of frame of printing device, and printing device using the same
US-2024092105-A1 · Mar 21, 2024 · US
Printing cassette
US-11932011-B2 · Mar 19, 2024 · US
Media Processing Device with Enhanced Media and Ribbon Loading and Unloading Features
US-2024051320-A1 · Feb 15, 2024 · US
Media processing device with enhanced media and ribbon loading and unloading features
US-11794503-B2 · Oct 24, 2023 · US
Tape support arrangement
US-11633970-B2 · Apr 25, 2023 · US
Printing cassette
US-2022212484-A1 · Jul 7, 2022 · US
Media Processing Device with Enhanced Media and Ribbon Loading and Unloading Features
US-2021178792-A1 · Jun 17, 2021 · US
Media processing device with enhanced media and ribbon loading and unloading features
US-10953677-B2 · Mar 23, 2021 · US
Media processing device with enhanced media and ribbon loading and unloading features
US-2019126653-A1 · May 2, 2019 · US
Media processing device with enhanced media and ribbon loading and unloading features
US-10265983-B2 · Apr 23, 2019 · US
Tape support arrangement
US-2019001722-A1 · Jan 3, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41J33/12?
- CPC B41J33/12 is the Cooperative Patent Classification code for “Ribbons carried by coaxially-mounted spools.”
- How many patents are filed under CPC B41J33/12 (Ribbons carried by coaxially-mounted spools)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC B41J33/12 growing?
- Publication counts under this code: 7 in 2024 vs 3 in 2025 (latest complete years).