4. Static structures (e.g., buildings)
  5. Openwork; e.g., truss, trellis, grille, screen, frame, or...
  6. Spacer-positioner; e.g., rebar chair

Jon A. Schmidgall

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Apparatus and method for protecting lined concrete pipe...

Static molds – Container-type molding device – And an inner removable core to form recess or opening
Reexamination Certificate

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Apparatus and method for removing joint rings from cured...

Static molds – Including means to apply force to remove or release product...
Reexamination Certificate

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Apparatus for lining pipe

Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – And means to form or reshape preform
Patent

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Automated system for handling and cleaning concrete pipe-making

Plastic article or earthenware shaping or treating: apparatus – With separate apparatus cleaning means – Coacting with forming means or dough divider type trap chamber
Patent

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Collapsible core for concrete pipe making apparatus

Plastic article or earthenware shaping or treating: apparatus – Shaping surface including means to release or remove product... – By movable mold sections
Patent

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Profile ID: LFUS-PAI-P-4840

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