Additive manufacturing of multilayered structures
US-2025326197-A1 · Oct 23, 2025 · US
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Making tube fittings for connecting pipes, e.g. U-pieces
Making tube fittings for connecting pipes, e.g. U-pieces · 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 | B21C37/28 |
| Official title | Making tube fittings for connecting pipes, e.g. U-pieces |
| Display label | Making tube fittings for connecting pipes, e.g. U-pieces |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2021 | 3 |
| 2023 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Workpiece processing method, machine tool, and non-transitory computer-readable recording medium
US-2025296176-A1 · Sep 25, 2025 · US
Mechanical orientation control heater hose assembly for quick connect
US-11754206-B2 · Sep 12, 2023 · US
Integrated connector and heat exchanger including the same
US-11604037-B2 · Mar 14, 2023 · US
Integrated connector and heat exchanger including the same
US-2021381781-A1 · Dec 9, 2021 · US
Fluid couplings, systems, and methods
US-11149883-B2 · Oct 19, 2021 · US
Mechanical orientation control heater hose assembly for quick connect
US-2021285585-A1 · Sep 16, 2021 · US
Press fitting and use thereof
US-10001230-B2 · Jun 19, 2018 · US
Fluid couplings, systems, and methods
US-2018080587-A1 · Mar 22, 2018 · US
Static dissipative fluid conveying coupler and methods of assembling the same
US-9821356-B2 · Nov 21, 2017 · US
Press for upsetting an end of a metallic material pipe
US-9321098-B2 · Apr 26, 2016 · US
Connection arrangement and method for manufacturing a connection arrangement and automotive component
US-2015232129-A1 · Aug 20, 2015 · US
Static dissipative fluid conveying coupler and methods of assembling the same
US-2015096175-A1 · Apr 9, 2015 · US
Static dissipative fluid conveying coupler
US-8939469-B2 · Jan 27, 2015 · US