4. Coating processes
  5. With post-treatment of coating or coating material
  6. Gas jet or blast mechanically treats coating

Donald F. Johnson

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Differentially coated galvanized steel strip

Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Patent

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Differentially coated galvanized steel strip and method and appa

Coating processes – With post-treatment of coating or coating material – Gas jet or blast mechanically treats coating
Patent

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Differentially coated galvanized steel strip and method and appa

Coating apparatus – With heat exchange – drying – or non-coating gas or vapor... – To remove or spread applied coating by gas blast
Patent

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Solar heater apparatus

Stoves and furnaces – Heaters – Surface
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