Cassette provided with guide for correcting curling behavior of tape
US-11135863-B2 · Oct 5, 2021 · US
Ribbon spools
Ribbon 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 | B41J33/003 |
| Official title | {Ribbon spools} |
| Display label | Ribbon spools |
| Total patents | 112 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 16 |
| 2018 | 6 |
| 2019 | 12 |
| 2020 | 8 |
| 2021 | 12 |
| 2022 | 6 |
| 2023 | 9 |
| 2024 | 12 |
| 2025 | 16 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thermal-transfer printer
US-11110720-B2 · Sep 7, 2021 · US
Thermal-transfer printer with a movable member movable to expose an ink ribbon supporting member
US-11104153-B2 · Aug 31, 2021 · US
Ink cassette and printer
US-2021237496-A1 · Aug 5, 2021 · US
Printer including first link, second link, and connection member for moving platen holder in accordance with movement of operation member
US-11040554-B2 · Jun 22, 2021 · US
Media Processing Device with Enhanced Media and Ribbon Loading and Unloading Features
US-2021178792-A1 · Jun 17, 2021 · US
Media replacement process for thermal printers
US-10967660-B2 · Apr 6, 2021 · US
Media processing device with enhanced media and ribbon loading and unloading features
US-10953677-B2 · Mar 23, 2021 · US
Ribbon cartridge and printing device
US-2021023862-A1 · Jan 28, 2021 · US
Tape cartridge
US-10889137-B2 · Jan 12, 2021 · US
Cassette provided with guide for correcting curling behavior of tape
US-2020406655-A1 · Dec 31, 2020 · US
Cassette including guide for restraining disengagement of tape
US-2020406654-A1 · Dec 31, 2020 · US
Tape cassette including nipping member having first region, second region, and third region for stably conveying tape
US-2020406647-A1 · Dec 31, 2020 · US
Stepper motor driven print head
US-10875335-B2 · Dec 29, 2020 · US
Printing device having rfid reader free from external force
US-2020398587-A1 · Dec 24, 2020 · US
Printer including first link, second link, and connection member for moving platen holder in accordance with movement of operation member
US-2020391523-A1 · Dec 17, 2020 · US
Bidirectional Printer Ribbon Supply System
US-2020384787-A1 · Dec 10, 2020 · US
Tape cassette
US-10766284-B2 · Sep 8, 2020 · US
Ink Ribbon Supporting Cassette and Printing Apparatus
US-2019299689-A1 · Oct 3, 2019 · US
Tape cassette
US-2019202220-A1 · Jul 4, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41J33/003?
- CPC B41J33/003 is the Cooperative Patent Classification code for “Ribbon spools.”
- How many patents are filed under CPC B41J33/003 (Ribbon spools)?
- Our database includes 112 publications tagged with this CPC code.
- Is patent activity under CPC B41J33/003 growing?
- Publication counts under this code: 12 in 2024 vs 16 in 2025 (latest complete years).