Weld root gap management apparatus
US-12311479-B2 · May 27, 2025 · US
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for maintaining flanges on tubes
for maintaining flanges on tubes · 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 | B23K37/0536 |
| Official title | for maintaining flanges on tubes |
| Display label | for maintaining flanges on tubes |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Weld root gap management apparatus
US-2024326181-A1 · Oct 3, 2024 · US
Apparatus for preventing welding distortion, and method for welding pipe and flange using the same
US-2023390875-A1 · Dec 7, 2023 · US
Radially outward orbital welding technique as a joining method used for inner tube to fitting connections in double wall tube configurations
US-11660711-B2 · May 30, 2023 · US
Radially outward orbital welding technique as a joining method used for inner tube to fitting connections in double wall tube configurations
US-2020384584-A1 · Dec 10, 2020 · US
Process of friction stir welding on tube end joints and a product produced thereby
US-10495389-B2 · Dec 3, 2019 · US
Process of friction stir welding on tube end joints and a product produced thereby
US-10247491-B2 · Apr 2, 2019 · US
Tool for welding a bracket onto a tube, tube for a tank
US-2018029172-A1 · Feb 1, 2018 · US
Process of friction stir welding on tube end joints and a product produced thereby
US-2017219300-A1 · Aug 3, 2017 · US
Process of friction stir welding on tube end joints and a product produced thereby
US-2017219299-A1 · Aug 3, 2017 · US
Process of friction stir welding on tube end joints and a product produced thereby
US-9658002-B2 · May 23, 2017 · US
Method and apparatus for friction stir welding tube ends for a heat exchanger
US-9174301-B2 · Nov 3, 2015 · US