Multi-valve engine

United States of America Patent

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May 20, 2003
Grant Date
Mar 20, 2003
app pub date
Jun 6, 2002
filing date
Sep 14, 2001

priority date (Note)
Expired

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Abstract

A multi-valve engine comprises a plurality of intake and exhaust valves on a cylinder. Depending on use, one of the valves is made of higher heat-resistant material, and another is made of lower heat-resistant material, thereby decreasing cost and improving durability and reliability.

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Patent Owner(s)

Patent Owner	Address
FUJI OOZX INC	1500-60 MISAWA KIKUGAWA-SHI SHIZUOKA 439-0023

International Classification(s)

F01L:CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINE....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kobayashi, Haruki	Fujisawa, JP	54	102
Mori, Akiyoshi	Fujisawa, JP	23	159

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Multi-valve engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10165357

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PATENT NO	6564773
APP PUB NO	20030051704A1
SERIAL NO	10165357
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 20, 2003	US,6564773,B2 US6564773B2	GRANTED PATENT AS SECOND PUBLICATION
March 20, 2003	US,20030051704,A1 US20030051704A1	FIRST PUBLISHED PATENT APPLICATION

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10165357

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