4. Metal working
  5. Scale remover or preventor
  6. Mechanically powered operator

James E. Ward

Inventor

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Automotive overdrive with offset input and output shafts

Motor vehicles – Having four wheels driven – With manually operated means for disengaging drive to one or...
Patent

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Direction indicating traffic barricade

Signals and indicators – Street traffic – Portable
Patent

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Downhole oil/gas separator and method of separating oil and gas

Wells – Processes – Separating material entering well
Patent

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Pneumatically driven descaling tool

Metal working – Scale remover or preventor – Mechanically powered operator
Patent

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Pneumatically driven descaling tools

Metal working – Scale remover or preventor – Mechanically powered operator
Patent

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Profile ID: LFUS-PAI-P-529086

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