4. Refrigeration
  5. With indicator or tester
  6. Diverse function indicators or testers

Gerald S. Spanger

Inventor

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Blockage detector

Refrigeration – With indicator or tester – Diverse function indicators or testers
Patent

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Clamp assembly for condensate drain pan overflow detector

Refrigeration – Automatic control – Preventing – removing or handling atmospheric condensate
Reexamination Certificate

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Condensate overflow prevention apparatus

Refrigeration – With indicator or tester – Condition sensing
Reexamination Certificate

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Pipe fitting with orientation indicator

Pipe joints or couplings – With indicator – alarm or inspection means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-597330

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