4. Electricity: conductors and insulators
  5. Insulators
  6. Combined

Elijah R. Perry

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Filled polymer electrical insulator

Electricity: conductors and insulators – Insulators – Combined
Patent

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Heat pump system with improved heat transfer

Heat exchange – Geographical
Patent

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Heat pump system with improved heat transfer

Heat exchange – Regenerator – Checker brick structure
Patent

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High-voltage DC transmission system and method

Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Patent

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Means for protecting underground electrical equipment from therm

Electricity: conductors and insulators – With fluids or vacuum – With cooling or fluid feeding – circulating or distributing
Patent

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Profile ID: LFUS-PAI-P-502715

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