Crayon carving device
US-10780509-B2 · Sep 22, 2020 · US
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using a pantograph
using a pantograph · 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 | B44B3/002 |
| Official title | {using a pantograph} |
| Display label | using a pantograph |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2020 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Crayon carving device
US-10632781-B2 · Apr 28, 2020 · US
Crayon carving device
US-2018272443-A1 · Sep 27, 2018 · US
Crayon carving device
US-2017348778-A1 · Dec 7, 2017 · US
Crayon carving device
US-9827618-B2 · Nov 28, 2017 · US
Tool support incorporating a guidance system spaced apart from the tool and machining device incorporating the tool support
US-9737937-B2 · Aug 22, 2017 · US
Crayon carving device
US-2016207123-A1 · Jul 21, 2016 · US
Tool support incorporating a guidance system spaced apart from the tool and machining device incorporating the tool support
US-2015063934-A1 · Mar 5, 2015 · US