Hollow drill rod for slurry application in a geothermal loop

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United States of America Patent

PATENT NO 9291286
SERIAL NO

13960063

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A drill rod combination for creating a closed loop geothermal hole in the ground. A combination hollow drill rod and slurry dispenser is connected to a slurry pump and direct slurry through the rod and dispenser while within the geothermal hole. The slurry exits the dispenser surrounding a heat exchange tube removably mounted to the dispenser and left in the hole when the drill rod and dispenser are withdrawn.

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Patent Owner(s)

Patent OwnerAddress
WCA GROUP LLC1077 THIRD AVENUE SOUTHWEST CARMEL IN 46032

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Biggs, Terry R Noblesville, US 4 22
Huck, Joseph A Fortville, US 4 22

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