Electromagnetic extrusion
US-11951519-B2 · Apr 9, 2024 · US
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by both direct and backward extrusion
by both direct and backward extrusion · 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 | B21C23/03 |
| Official title | by both direct and backward extrusion |
| Display label | by both direct and backward extrusion |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of forming thick-walled cylinder by spinning
US-2021299727-A1 · Sep 30, 2021 · US
Method of forming thick-walled cylinder by spinning
US-11110504-B1 · Sep 7, 2021 · US
Metal element for continuously variable transmission and method of producing the same
US-10935102-B2 · Mar 2, 2021 · US
Electromagnetic extrusion
US-2020391265-A1 · Dec 17, 2020 · US
Method of forming a cup shaped aluminum magnesium alloy article by rotary extrusion
US-10780478-B2 · Sep 22, 2020 · US
Metal element for continuously variable transmission and method of producing the same
US-2019032749-A1 · Jan 31, 2019 · US
Method of forming a cup shaped aluminum magnesium alloy article by rotary extrusion
US-2018369888-A1 · Dec 27, 2018 · US