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:
Feb. 21, 2017
Filed:
Aug. 27, 2008
Andreas Dowe, Borken, DE;
Rainer Goering, Borken, DE;
Martin Risthaus, Dorsten, DE;
Klaus Gahlmann, Marl, DE;
Reinhard Buessing, Herdecke, DE;
Hans-juergen Kocks, Freudenberg, DE;
Joern Winkels, Werl, DE;
Andreas Dowe, Borken, DE;
Rainer Goering, Borken, DE;
Martin Risthaus, Dorsten, DE;
Klaus Gahlmann, Marl, DE;
Reinhard Buessing, Herdecke, DE;
Hans-Juergen Kocks, Freudenberg, DE;
Joern Winkels, Werl, DE;
Evonik Degussa GmbH, Essen, DE;
Salzgitter Mannesmann Line Pipe GmbH, Siegen, DE;
Abstract
A pipeline laid trenchlessly and/or without a sand bed is produced using a metallic conduit which is encased with an extruded layer of a polyamide molding material. In this way, the durability of the outer shell required for trenchless laying techniques without a sand bed is ensured.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile