Silicon core wire for depositing polycrystalline silicon and production method therefor
US-12275642-B2 · Apr 15, 2025 · US
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characterised by the shielding of the welding zone against influence of the surrounding atmosphere
characterised by the shielding of the welding zone against influence of the surrounding atmosphere · 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 | B23K13/06 |
| Official title | characterised by the shielding of the welding zone against influence of the surrounding atmosphere |
| Display label | characterised by the shielding of the welding zone against influence of the surrounding atmosphere |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Clad welded pipe or tube and method of producing same
US-11484927-B2 · Nov 1, 2022 · US
Silicon Core Wire for Depositing Polycrystalline Silicon and Production Method Therefor
US-2022281751-A1 · Sep 8, 2022 · US
Electric resistance welded clad steel pipe or tube and method of producing same
US-11079045-B2 · Aug 3, 2021 · US
Electric resistance welded steel pipe manufacturing device and electric resistance welded steel pipe manufacturing method
US-2020391318-A1 · Dec 17, 2020 · US
Method of monitoring manufacturing status of electric resistance welded pipe, device for monitoring manufacturing status of electric resistance welded pipe, and method of manufacturing electric resistance welded pipe
US-10744589-B2 · Aug 18, 2020 · US
Three-dimensional metal insulating part
US-2019283860-A1 · Sep 19, 2019 · US
Clad welded pipe or tube and method of producing same
US-2019184437-A1 · Jun 20, 2019 · US
Electric resistance welded clad steel pipe or tube and method of producing same
US-2019186655-A1 · Jun 20, 2019 · US
Electric resistance welded stainless clad steel pipe and method of manufacturing the same
US-2018243809-A1 · Aug 30, 2018 · US
Method of monitoring manufacturing status of electric resistance welded pipe, device for monitoring manufacturing status of electric resistance welded pipe, and method of manufacturing electric resistance welded pipe
US-2018104763-A1 · Apr 19, 2018 · US
Chamber-less thermal joining system
US-9511437-B2 · Dec 6, 2016 · US
Method of production of electric resistance welded steel pipe and high Si or high Cr electric resistance welded steel pipe
US-9050681-B2 · Jun 9, 2015 · US
Chamber-less thermal joining system
US-2015053669-A1 · Feb 26, 2015 · US