4. Pipe joints or couplings
  5. With casing, lining or protector
  6. Insulated

Sherman H. Barber

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Apparatus and method for sealing coke oven doors

Distillation: apparatus – Apparatus – Elements
Patent

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Apparatus for cleaning the bottom surface of a coke oven door pl

Distillation: apparatus – Apparatus – Elements
Patent

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Bolt tightening apparatus and method

Metal working – Method of mechanical manufacture – Assembling or joining
Patent

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Coal gasification process

Gas: heating and illuminating – Processes – Coal and water
Patent

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Coke oven door

Distillation: apparatus – Apparatus – Elements
Patent

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