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DROSSBACH GMBH & CO KG

Overview
  • Total Patents
    77
About

DROSSBACH GMBH & CO KG has a total of 77 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Germany, EPO (European Patent Office) and Canada. Its main competitors in its focus markets machines, mechanical elements and civil engineering are KWH PIPE AB OY, OJ KVKH PAJP AB and UPONOR NV.

Patent filings per year

Chart showing DROSSBACH GMBH & CO KGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dietrich Karl 29
#2 Hetzner Claus 29
#3 Hurler Michael 14
#4 Kellner Michael 11
#5 Drossbach Hubert M 5
#6 Hell Herbert 5
#7 Karl Johann 4
#8 Drossbach Hubert M Dipl-Ing 4
#9 Huebner Peter 4
#10 Haberle Adalbert 4

Latest patents

Publication Filing date Title
DE102010040317A1 Device for production of double-walled corrugated plastic pipes, has memory plate provided for reproducible assembly of extrusion tool so that adjustment of tool remains maintained during reinsertion of tool
EP1916087A1 Device for applying plastic to a workpiece
DE102007007139A1 Apparatus for applying plastic to workpieces comprises feed zone, distribution zone and nozzle zone, workpiece being inserted into aperture surrounded by nozzle outlets and moved axially through it, so that it is simultaneously coated
DE102006061059A1 Method and device for producing a plastic molding
DE102006050543A1 Device for applying plastic to a workpiece
DE102006018373A1 Device for forming the inner surface of a tube of thermoplastic material
DE102006018374A1 Corrugated pipe made of thermoplastic material
DE102005001708A1 Rubber ring seal for connecting two corrugated pipes
DE102004056950B3 Connector for corrugated pipes, has rubber unit with flange section sealingly lying on inner side of one pipe and pipe-shaped section sealingly enclosing another pipe section, and reinforcement unit, where two units are formed of one-piece
DE102004054327A1 Corrugated pipe made of thermoplastic material
WO2005063465A1 Method and device for applying a reinforcement to a plastic pipe by way of a wrap welding process
DE102004040019A1 Apparatus for producing corrugated pipes
CA2523366A1 Double-walled corrugated pipe
EP1407873A1 Apparatus for producing corrugated pipes
DE10155683A1 Drainage shaft and process for its manufacture
DE10152604A1 Method and device for producing a reinforced sleeve on an extruded plastic pipe made of thermoplastic material
DE19944696A1 Pipe separating arrangement has milling tool and cutter mounted on reciprocally movable carriage and moved independently of each other by controlled drives towards and way from pipe
DE4430038A1 Double-walled plastic tube with a low-grade foam interlayer
DE4338990A1 Apparatus for producing corrugated pipes from thermoplastic material
EP0583596A1 Drainage pipe