Anvil with trapped fluid

United States of America Patent

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Apr 20, 1982
Grant Date
N/A
app pub date
Apr 28, 1980
filing date
Apr 28, 1980

priority date (Note)
Expired

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Abstract

A hydraulic impactor having a reciprocating piston, a liquid coupling having a stepped bore and an actuatable driven member of a configuration to obtain the optimum energy transfer to the driven member.

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Patent Owner(s)

Patent Owner	Address
FM INDUSTRIES INC	221 WARREN AVENUE FREMONT CA 94539

International Classification(s)

B25D:PERCUSSIVE TOOLS

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Mahyera, Anil	Salt Lake City, UT	5	39
Swindall, William S	Cambridge, CA	2	19

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Anvil with trapped fluid

Number of patents in Portfolio can not be more than 2000

United States of America Patent

06144739

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PATENT NO	4325437
SERIAL NO	06144739
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06144739

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