Tapered ball valve

United States of America Patent

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Feb 7, 1989
Grant Date
N/A
app pub date
Jan 28, 1988
filing date
Jan 28, 1988

priority date (Note)
Expired

status (Latency Note)

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Abstract

A tapered plug valve having a body with a removable valve seat insert that can be replaced without removing the valve body from the operating site.

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First Claim

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Patent Owner(s)

M&FC HOLDING COMPANY, INC.

International Classification(s)

F16K:VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Dittmer, Howard R	Buffalo Grove, IL	4	59
Kaniut, Christopher P	Sulphur Springs, TX	5	25

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Tapered ball valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07149284

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Patent Longevity Expired	Forward Citations

PATENT NO	4802652
SERIAL NO	07149284
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07149284

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Importance

Abstract

First Claim

Family

Patent Owner(s)

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