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Moulds for making shaped articles with undercut recesses, e.g. dovetails
Moulds for making shaped articles with undercut recesses, e.g. dovetails · 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 | B28B7/20 |
| Official title | Moulds for making shaped articles with undercut recesses, e.g. dovetails |
| Display label | Moulds for making shaped articles with undercut recesses, e.g. dovetails |
| Total patents | 17 |
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 | 2 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Blocks, block systems and methods of making blocks
US-10760242-B2 · Sep 1, 2020 · US
Blocks, block systems and methods of making blocks
US-2019323198-A1 · Oct 24, 2019 · US
Blocks, block systems and methods of making blocks
US-10337163-B2 · Jul 2, 2019 · US
Methods for manufacturing three-dimensional devices and devices created thereby
US-10189184-B2 · Jan 29, 2019 · US
Permeable surface covering units and permeable surface covering
US-2018371705-A1 · Dec 27, 2018 · US
Pressure die casting mold for producing a casting
US-9950443-B2 · Apr 24, 2018 · US
Method of making a concrete block
US-2018104853-A1 · Apr 19, 2018 · US
Blocks, block systems and methods of making blocks
US-2018044877-A1 · Feb 15, 2018 · US
Method of making a concrete block
US-9855678-B2 · Jan 2, 2018 · US
Blocks, block systems and methods of making blocks
US-9834902-B2 · Dec 5, 2017 · US
Permeable surface covering units and permeable surface covering
US-2017167086-A1 · Jun 15, 2017 · US
Blocks, block systems and methods of making blocks
US-2016244936-A1 · Aug 25, 2016 · US
Method of making a concrete block
US-9387602-B2 · Jul 12, 2016 · US
Method of making a concrete block
US-2015360389-A1 · Dec 17, 2015 · US
Pressure die casting mold for producing a casting
US-2015183127-A1 · Jul 2, 2015 · US
Method of making a concrete block
US-2015008622-A1 · Jan 8, 2015 · US