4. Wells
  5. Above ground apparatus
  6. Well caps or casing heads

Emery W. Davis

Inventor

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Well casing cap

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Design Patent

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Well casing sealing device

Wells – Above ground apparatus – Well caps or casing heads
Patent

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Wire guard device for wells

Wells – Guide for device or conduit – On sucker or pump rod
Reexamination Certificate

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Profile ID: LFUS-PAI-P-799358

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