Output device for uniformly mixed liquid and method for making and using the same
US-12377677-B2 · Aug 5, 2025 · US
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Arrangements for feeding the ink to the nibs
Arrangements for feeding the ink to the nibs · 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 | B43K5/18 |
| Official title | Arrangements for feeding the ink to the nibs |
| Display label | Arrangements for feeding the ink to the nibs |
| Total patents | 22 |
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 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cosmetic applicator
US-12369699-B2 · Jul 29, 2025 · US
Cosmetic applicator
US-2025113908-A1 · Apr 10, 2025 · US
Variable color shade marker
US-12251959-B2 · Mar 18, 2025 · US
Applicator
US-12144412-B2 · Nov 19, 2024 · US
Variable color shade marker
US-2024300258-A1 · Sep 12, 2024 · US
Fountain pen with quick-filling coupling
US-12030338-B2 · Jul 9, 2024 · US
Output Device for Uniformly Mixed Liquid and Method for Making and Using the Same
US-2023391130-A1 · Dec 7, 2023 · US
Fountain pen with quick-filling coupling
US-2023331027-A1 · Oct 19, 2023 · US
Applicator
US-2023292910-A1 · Sep 21, 2023 · US
Liquid storage and release device and pen
US-11548313-B2 · Jan 10, 2023 · US
Writing instruments
US-2022203750-A1 · Jun 30, 2022 · US
Liquid Storage and Release Device and Pen
US-2021122183-A1 · Apr 29, 2021 · US
Printing device, printing device control method and writing device
US-10894425-B2 · Jan 19, 2021 · US
Printing Device, Printing Device Control Method and Writing Device
US-2019286176-A1 · Sep 19, 2019 · US
Liquid supply apparatus and personal care implement containing the same
US-10390607-B2 · Aug 27, 2019 · US
Writing apparatus and a method of dispensing writing fluid on a writing surface
US-2019001736-A1 · Jan 3, 2019 · US
Liquid Supply Apparatus and Personal Care Implement Containing the Same
US-2018168329-A1 · Jun 21, 2018 · US
Writing instrument
US-9636940-B2 · May 2, 2017 · US
Writing instrument
US-2015298489-A1 · Oct 22, 2015 · US