DRILLING APPARATUS WITH SHUTTER

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20130008723A1
SERIAL NO

13635310

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present disclosure relates to a drilling apparatus including a cutting unit defining at least one through-hole that provides fluid communication between a distal side and a proximal side of the cutting unit. The cutting unit includes a plurality of cutting elements at the distal side of the cutting unit. The cutting unit also includes a shutter for selectively opening and blocking the through-hole of the cutting unit.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
VERMEER MANUFACTURING COMPANYPELLA IA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harrison, Stuart Clyde, AU 13 82
Hoelting, Keith Allen Dallas, US 6 18
Salins, Andis Footscray, AU 8 71

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