Tamping device

United States of America Patent

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Jul 9, 2013
Grant Date
Sep 1, 2011
app pub date
Feb 26, 2010
filing date
Feb 26, 2010

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Abstract

A tamping device for applying a tamping force to ground coffee in a portafilter. The tamping device has a tamper and a guard. The tamper has a reciprocating tamping base. The guard defines a passageway through which the tamping base reciprocates. The passageway fits closely around the tamping base.

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Patent Owner(s)

Patent Owner	Address
SIMATELEX MANUFACTORY CO LTD	HONGKONG CHINESE WONG CHUK HANG ROAD 2 21 FLOOR LEAVES HONG KONG HONG KONG

International Classification(s)

A47J:KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPA....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Leung, Chi Wah	Hong Kong, CN	16	228
Luk, Shek Chuen	Hong Kong, CN	12	136
Wong, Ka Po	Hong Kong, CN	2	42

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Tamping device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12713496

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PATENT NO	8479638
APP PUB NO	20110209623A1
SERIAL NO	12713496
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 09, 2013	US,8479638,B2 US8479638B2	GRANTED PATENT AS SECOND PUBLICATION
September 01, 2011	US,20110209623,A1 US20110209623A1	FIRST PUBLISHED PATENT APPLICATION

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12713496

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