Combination fluid nozzle and backflow valve

United States of America Patent

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Feb 8, 1983
Grant Date
N/A
app pub date
Oct 21, 1981
filing date
Oct 21, 1981

priority date (Note)
Expired

status (Latency Note)

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Abstract

A valve-nozzle assembly is disclosed for use in a rock-drilling bit, which assembly utilizes a backflow valve with a replaceable nozzle insert.

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Patent Owner(s)

Patent Owner	Address
REED MINING TOOLS INC HOUSTON TX A CORP OF TX	Not Provided

International Classification(s)

E21B:EARTH OR ROCK DRILLING

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Trevino, Jr Joe	Houston, TX	2	19

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Combination fluid nozzle and backflow valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

06313527

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PATENT NO	4372402
SERIAL NO	06313527
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06313527

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Family

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