Learn more

WIRSBO ROHRPROD UND VERTR GMBH

Overview
  • Total Patents
    45
About

WIRSBO ROHRPROD UND VERTR GMBH has a total of 45 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Australia, WIPO (World Intellectual Property Organization) and Germany. Its main competitors in its focus markets machines, mechanical elements and machine tools are EGEPLAST INT GMBH, OBSCHESTVO S OGRANICHENNOY OTVETSTVENNOSTIYU SMIT YARTSEVO and MAY EDUARDO FELIPE.

Patent filings per year

Chart showing WIRSBO ROHRPROD UND VERTR GMBHs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Imgram Friedrich 42

Latest patents

Publication Filing date Title
AU4298497A Expansion machine with a return device
AU3805695A Multiple pipe fitting
DE19504968A1 Spreading tool for cold forming
DE4309999A1 Profiled pipe of crosslinked polyolefin for the renewal of pipelines
EP0531790A2 Connection for composite pipe
DE4220794A1 Pipe spreader - has tapering end for insertion into pipe end
DE4220574A1 Connection with predictable strength between two thermoplastic pipes - has outer thermoplastic sleeve with embedded resistance winding and either sleeve or pipes only soften without fusing at welding temp.
EP0530387A1 Pipeline connection and method of manufacturing pipeline connections made of polyolefine