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:
May. 13, 2003
Filed:
Aug. 25, 2000
Applicant:
Inventors:
Thomas D. Bloomfield, Neetze, DE;
Michael Welzel, Schenefeld, DE;
Assignee:
Meyer Rohr & Schacht GmbH, Luneburg, DE;
Primary Examiner:
Int. Cl.
CPC ...
E02B 1/300 ; E01F 5/00 ; E03F 3/00 ;
U.S. Cl.
CPC ...
E02B 1/300 ; E01F 5/00 ; E03F 3/00 ;
Abstract
A driving pipe and method for the construction of an essentially horizontal pipeline, whose wall is made at least primarily of concrete polymer. At least sections of the wall of the concrete polymer pipe are made of a liquid-permeable filter material consisting of polymer-bound, gravel-like particles.