System for retaining a substrate within a frame
US-12364348-B2 · Jul 22, 2025 · US
Stretching frames for canvases
Stretching frames for canvases · 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 | B44D3/185 |
| Official title | {Stretching frames for canvases} |
| Display label | Stretching frames for canvases |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Automated system for assembling framed articles
US-12285829-B2 · Apr 29, 2025 · US
Automated system for assembling framed articles
US-2024286233-A1 · Aug 29, 2024 · US
Automated system for assembling framed articles
US-11951576-B2 · Apr 9, 2024 · US
Platen with hinged side walls for improved hooping
US-11712907-B1 · Aug 1, 2023 · US
Automated system for assembling framed articles
US-2023219180-A1 · Jul 13, 2023 · US
System for retaining an image within a frame
US-11684185-B2 · Jun 27, 2023 · US
System for retaining a substrate within a frame
US-2023165391-A1 · Jun 1, 2023 · US
System for retaining a substrate within a frame
US-11553808-B2 · Jan 17, 2023 · US
System for mounting a covering upon a frame
US-11548315-B2 · Jan 10, 2023 · US
Method for retaining a substrate within a frame
US-11419436-B2 · Aug 23, 2022 · US
Embossed print media
US-11396198-B2 · Jul 26, 2022 · US
Writing and/or drawing system comprising ph sensitive dye and method thereof
US-2022064469-A1 · Mar 3, 2022 · US
System for Mounting a Covering upon a Frame
US-2021276363-A1 · Sep 9, 2021 · US
System for mounting a covering upon a frame
US-10981415-B2 · Apr 20, 2021 · US
System for retaining a substrate within a frame
US-2020397161-A1 · Dec 24, 2020 · US
Method for retaining a substrate within a frame
US-2020397160-A1 · Dec 24, 2020 · US
System for retaining an image within a frame
US-10813478-B2 · Oct 27, 2020 · US
System for retaining an image within a frame
US-2020297134-A1 · Sep 24, 2020 · US
System for Mounting a Covering upon a Frame
US-2019217658-A1 · Jul 18, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B44D3/185?
- CPC B44D3/185 is the Cooperative Patent Classification code for “Stretching frames for canvases.”
- How many patents are filed under CPC B44D3/185 (Stretching frames for canvases)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC B44D3/185 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).