Pad transfer printing method for making colored contact lenses
US-11840035-B2 · Dec 12, 2023 · US
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Absorbent pads
Absorbent pads · 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 | B41F31/24 |
| Official title | Absorbent pads |
| Display label | Absorbent pads |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pad transfer printing method for making colored contact lenses
US-2023182423-A1 · Jun 15, 2023 · US
Pad transfer printing method for making colored contact lenses
US-11602910-B2 · Mar 14, 2023 · US
Liquid absorber and printing apparatus
US-2022379597-A1 · Dec 1, 2022 · US
Pad transfer printing method for making colored contact lenses
US-2020376788-A1 · Dec 3, 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
Ink jet recording apparatus and method of producing porous body
US-10507666-B2 · Dec 17, 2019 · US
Ink jet recording method and ink jet recording apparatus
US-2019009551-A1 · Jan 10, 2019 · US
Ink jet recording apparatus and method of producing porous body
US-2018319166-A1 · Nov 8, 2018 · US