4. Metal treatment
  5. Process of modifying or maintaining internal physical...
  6. Heating or cooling of solid metal

Douglas J. Waldron

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Apparatus and method for forming weld joints having...

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

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Friction stir grain refinement of structural members

Metal treatment – Process of modifying or maintaining internal physical... – Producing or treating layered – bonded – welded – or...
Reexamination Certificate

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Friction stir grain refinement of structural members

Stock material or miscellaneous articles – All metal or with adjacent metals – Plural layers discontinuously bonded
Reexamination Certificate

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Friction stir welding apparatus and method

Metal fusion bonding – Process – Using dynamic frictional energy
Reexamination Certificate

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Friction welded fastener process

Metal fusion bonding – Process – Using dynamic frictional energy
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1015509

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