4. Power plants
  5. Motor having exhaust fluid treating or handling means
  6. Motor and indirect heat exchanger

Daya R. Senanayake

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Barometric direct-contact condenser

Heat exchange – With first fluid holder or collector open to second fluid – Separate external discharge port for each fluid
Patent

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Chimney

Ventilation – Chimney or stack
Patent

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Diamond sawing process

Stone working – Precious stone working
Patent

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Hollow jewelry objects and method

Jewelry – Body member encircling ornament – Expansible
Patent

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Personal identification system

Registers – Systems controlled by data bearing records – Credit or identification card systems
Patent

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Profile ID: LFUS-PAI-P-216251

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