Processing apparatus of trunk lid hinge arm, processing method of trunk lid hinge arm, and trunk lid hinge arm
US-2025387824-A1 · Dec 25, 2025 · US
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Bending tubes using mandrels or the like (B21D11/02 - B21D11/18 take precedence)
Bending tubes using mandrels or the like (B21D11/02 - B21D11/18 take precedence) · 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 | B21D9/00 |
| Official title | Bending tubes using mandrels or the like (B21D11/02 - B21D11/18 take precedence) |
| Display label | Bending tubes using mandrels or the like (B21D11/02 - B21D11/18 take precedence) |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Elastic double-support variable-diameter mandrel for bending of aircraft engine-specific metal conduit
US-11331709-B1 · May 17, 2022 · US
Elastic double-support variable-diameter mandrel for bending of aircraft engine-specific metal conduit
US-2022143667-A1 · May 12, 2022 · US
Forming apparatus and forming method
US-2021362208-A1 · Nov 25, 2021 · US
Method of forming extruded tubing for vehicle body component
US-10357817-B2 · Jul 23, 2019 · US
Tubular strengthening and patterning method for enhanced heat transfer
US-10081845-B2 · Sep 25, 2018 · US
Tubular Strengthening and Patterning Method for Enhanced Heat Transfer
US-2017159146-A1 · Jun 8, 2017 · US
Method of forming extruded tubing for vehicle body component
US-2017072450-A1 · Mar 16, 2017 · US
Aluminum porthole extruded tubing with locating feature
US-9533343-B2 · Jan 3, 2017 · US
Welded component comprising seamless bent pipe and seamless straight pipe sections and methods of manufacturing thereof
US-9364881-B2 · Jun 14, 2016 · US
Method of manufacturing supporting structure, swaging jig for use therein and the supporting structure
US-9283606-B2 · Mar 15, 2016 · US
Aluminum porthole extruded tubing with locating feature
US-2015360281-A1 · Dec 17, 2015 · US
Method for assembling introducer sheath with an embolic coil device
US-9119626-B2 · Sep 1, 2015 · US
Method of fabricating a roll-over protection structure
US-8966764-B2 · Mar 3, 2015 · US