Plasma-arc torch with sliding gas valve interlock

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United States of America Patent

PATENT NO 4691094
SERIAL NO

06865256

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Abstract

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A plasma-arc torch includes an interlock in the form of a sliding gas valve which permits interruption of torch operation by closing off fluid flow through the torch when necessary parts such as the electrode, tip, fluid distributor, and/or cup are not in place.

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Patent Owner(s)

Patent OwnerAddress
DEUTSCHE BANK TRUST COMPANY AMERICAS CORPORATE TRUST & AGENCY SERVICES280 PARK AVENUE MS NYC03-0912 NEW YORK NY 10017

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hatch, Bruce O Lebanon, NH 9 220
Spaulding, Richard A Hanover, NH 11 249

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