4. Heat exchange
  5. With coated, roughened or polished surface

R. R. Cole

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Detachable rear-mounted light for a motorcycle helmet

Illumination – With wearing apparel or body support – Head covering or clamp
Patent

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Fin of heat exchanger and method of making it

Heat exchange – With coated – roughened or polished surface
Patent

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Heat and mass transfer device

Heat exchange – With first fluid holder or collector open to second fluid – Trickler
Patent

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Heat exchange tube retainer

Heat exchange – With repair or assembly means
Patent

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Lighting fixture having a sealed, weatherproof secondary cover

Illumination – Light source and modifier – With sealing means or artificial atmosphere
Patent

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Profile ID: LFUS-PAI-P-278392

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