Air suspension piston

United States of America Patent

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Aug 14, 2007
Grant Date
Jul 10, 2003
app pub date
Dec 24, 2002
filing date
Apr 12, 2000

priority date (Note)
Expired

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Abstract

The invention relates to an air suspension piston, with the air suspension piston being tube shaped and being made of aluminium. The air suspension piston is formed by a longitudinal-seam welded tube made from an aluminum alloy, and the tube has been longitudinal-seam welded without any weld metal.

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Patent Owner(s)

Patent Owner	Address
VAW ALUTUBES GMBH	GOTTINGER CHAUSSEE 12-14 HANNOVER 30453

International Classification(s)

F16F:SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRAT....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Opitz, Michael	Aerzen, DE	5	2
Schulze, Thorsten	Wunstorf, DE	3	10
Steimmel, Franz	Rheinbreitbach, DE	6	55
Wahner, Frank	Hannover, DE	3	9

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Air suspension piston

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10329825

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PATENT NO	7255334
APP PUB NO	20030127782A1
SERIAL NO	10329825
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 14, 2007	US,7255334,B2 US7255334B2	GRANTED PATENT AS SECOND PUBLICATION
July 10, 2003	US,20030127782,A1 US20030127782A1	FIRST PUBLISHED PATENT APPLICATION

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10329825

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