The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 14, 2007
Filed:
Dec. 24, 2002
Applicants:
Thorsten Schulze, Wunstorf, DE;
Franz Steimmel, Rheinbreitbach, DE;
Michael Opitz, Aerzen, DE;
Frank Wahner, Hannover, DE;
Inventors:
Thorsten Schulze, Wunstorf, DE;
Franz Steimmel, Rheinbreitbach, DE;
Michael Opitz, Aerzen, DE;
Frank Wahner, Hannover, DE;
Assignee:
VAW Alutubes GmbH, Hannover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 5/00 (2006.01);
U.S. Cl.
CPC ...
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.