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RHEINISCHES ZINKWALZWERK GMBH

Overview
  • Total Patents
    121
About

RHEINISCHES ZINKWALZWERK GMBH has a total of 121 patent applications. Its first patent ever was published in 1972. It filed its patents most often in Germany, Denmark and France. Its main competitors in its focus markets environmental technology, surface technology and coating and machine tools are XIANFENG ZHANG, CACARDA GMBH and CLIMASOL SOLARANLAGEN GMBH.

Patent filings per year

Chart showing RHEINISCHES ZINKWALZWERK GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pretzel Klaus 13
#2 Groth Volker 12
#3 Overkamp Karl-Heinz Ing Grad 10
#4 Emmrich Peter 10
#5 Stradmann Adolf 10
#6 Pretzel K 7
#7 Marx H 7
#8 Marx Hans 7
#9 Groth V 6
#10 Marx Hans Ing Grad 6

Latest patents

Publication Filing date Title
IE820453L Corrosion protection of pipes
DE3116994A1 METHOD FOR CORROSION PREVENTION ON RAINFALL PIPES, PIPE ARCHES OR THE LIKE OF ROOF DRAINAGE SYSTEMS
DK87681A CONSTRUCTION AND PROCEDURE FOR WELDING THIN WALLED Pipes
DE3036241A1 Metal roof components joint expansion compensator - has one edge soldered strip covering other strip and second component edge
DE3018770A1 Wall joint cover type expansion compensator - has vulcanised elastic bottom strip linking two overlapping sheet metal strips
DE3012033A1 GUTTER SLEEVES
DE2939319A1 DEVICE AND METHOD FOR PRODUCING THE SOLE SEAM OF TUBE BOWS
DE2908620A1 Rain-water downpipe dirt trap spacer piece - has downward tapering conical sieve and section at top for next pipe above
DE2908621A1 Rain water downpipe dirt trap cage - has sections built into pipe and into outflow gutter flap
DE2850396A1 APPLICATION OF AN EXPANSION COMPENSATOR
DE2830594A1 Automatic control of continuous casting speed in belt casting plant - using electronic control circuit with television camera monitoring casting front
EP0000591A1 Apparatus to form a soldered joint between overlapping roof-gutter sections
NL7800428A Device for sloping a solar collector.
DE2757592A1 METHOD OF SURFACE TREATMENT OF MOLDED BODIES MADE OF ZINC OR ZINC ALLOYS
DE2732007A1 Protective coating for zinc - is obtd. by dipping into an oxygen-saturated calcium hydroxide soln.
DE2727110A1 Corrosion resistant aluminium (alloy) prodn. - by treating with water vapour at a defined pressure and temp.
DE2727111A1 Formation of coloured coating on zinc (alloys) - by treating with water vapour at a defined pressure and temperature
DE2718302A1 SOLAR COLLECTOR FOR FLAT ROOFS
DE2717667A1 FLAT CONSTRUCTION SOLAR COLLECTOR
DE2712962A1 UNIT SYSTEM FOR SOLAR COLLECTORS