Apparatus and method for cleaning a stencil and a method for forming the apparatus
US-2025353293-A1 · Nov 20, 2025 · US
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Selection of materials or products for cleaning
Selection of materials or products for cleaning · 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 | B41P2235/50 |
| Official title | Selection of materials or products for cleaning |
| Display label | Selection of materials or products for cleaning |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Digital offset lithography ink composition
US-11440311-B2 · Sep 13, 2022 · US
Cleaning unit and printing device
US-11135831-B2 · Oct 5, 2021 · US
Cleaning unit and printing device
US-2021206159-A1 · Jul 8, 2021 · US
Cleaning system architecture with recirculating bath for variable data lithographic printing
US-10589515-B2 · Mar 17, 2020 · US
Digital Offset Lithography Ink Composition
US-2019283395-A1 · Sep 19, 2019 · US
Tunable surfactants in dampening fluids for digital offset ink printing applications
US-10328688-B2 · Jun 25, 2019 · US
Cleaning fluid and cleaning method
US-10202563-B2 · Feb 12, 2019 · US
Cleaning liquid for liquid ejecting apparatus, liquid ejecting apparatus, and cleaning method for liquid channel
US-2018264827-A1 · Sep 20, 2018 · US
Cleaning system architecture with recirculating bath for variable data lithographic printing
US-2018056645-A1 · Mar 1, 2018 · US
Cleaning fluid and cleaning method
US-2017275561-A1 · Sep 28, 2017 · US
Tunable surfactants in dampening fluids for digital offset ink printing applications
US-2017225452-A1 · Aug 10, 2017 · US
Tunable surfactants in dampening fluids for digital offset ink printing applications
US-9713828-B2 · Jul 25, 2017 · US
Tunable surfactants in dampening fluids for digital offset ink printing applications
US-2015040939-A1 · Feb 12, 2015 · US