Head protector, liquid discharge head, and liquid discharge apparatus
US-10836170-B2 · Nov 17, 2020 · US
Guards, shields or dust excluders
Guards, shields or dust excluders · 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 | B41J29/12 |
| Official title | Guards, shields or dust excluders |
| Display label | Guards, shields or dust excluders |
| Total patents | 145 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 12 |
| 2018 | 18 |
| 2019 | 20 |
| 2020 | 14 |
| 2021 | 14 |
| 2022 | 14 |
| 2023 | 14 |
| 2024 | 15 |
| 2025 | 11 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Printing subassembly
US-10807362-B2 · Oct 20, 2020 · US
Printing apparatus
US-10639887-B2 · May 5, 2020 · US
Optical module and electronic apparatus
US-10479104-B2 · Nov 19, 2019 · US
Inkjet printer with improved solvent recovery circuit
US-10442204-B2 · Oct 15, 2019 · US
Ink-Jet Recording Apparatus
US-2019299685-A1 · Oct 3, 2019 · US
Recording apparatus
US-10421301-B2 · Sep 24, 2019 · US
Printing system assemblies and methods
US-10414181-B2 · Sep 17, 2019 · US
Printing System Assemblies and Methods
US-2019270325-A1 · Sep 5, 2019 · US
Mount apparatus to be mounted on main body of image forming apparatus, and image forming apparatus including mount apparatus
US-2019263619-A1 · Aug 29, 2019 · US
Liquid ejection head unit and liquid ejecting apparatus
US-10384457-B2 · Aug 20, 2019 · US
Printing subassembly
US-2019232652-A1 · Aug 1, 2019 · US
Door assembly for serviceable machine
US-2019232694-A1 · Aug 1, 2019 · US
Mount apparatus to be mounted on main body of image forming apparatus, and image forming apparatus including mount apparatus
US-10329113-B2 · Jun 25, 2019 · US
Recording apparatus
US-10315446-B2 · Jun 11, 2019 · US
Liquid holding unit and liquid ejection device
US-10308029-B2 · Jun 4, 2019 · US
Printing apparatus
US-10245848-B2 · Apr 2, 2019 · US
Climate control of direct printing machines
US-2019070875-A1 · Mar 7, 2019 · US
Printing apparatus
US-2019047285-A1 · Feb 14, 2019 · US
Optical Module And Electronic Apparatus
US-2019023023-A1 · Jan 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41J29/12?
- CPC B41J29/12 is the Cooperative Patent Classification code for “Guards, shields or dust excluders.”
- How many patents are filed under CPC B41J29/12 (Guards, shields or dust excluders)?
- Our database includes 145 publications tagged with this CPC code.
- Is patent activity under CPC B41J29/12 growing?
- Publication counts under this code: 15 in 2024 vs 11 in 2025 (latest complete years).