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COLLARDIN GMBH GERHARD

Overview
  • Total Patents
    291
About

COLLARDIN GMBH GERHARD has a total of 291 patent applications. Its first patent ever was published in 1941. It filed its patents most often in Germany, Spain and United States. Its main competitors in its focus markets surface technology and coating, basic materials chemistry and thermal processes are PARKER RUST PROOF CO, WALTERISATION COMPANY LTD and SARATOVSKIJ ZNAK POCHETA I MEK.

Patent filings per year

Chart showing COLLARDIN GMBH GERHARDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Opitz Reinhard 32
#2 Portz Heinz 28
#3 Gottwald Karl-Heinz 27
#4 Mady Raschad 24
#5 Morlock Roland 24
#6 Ries Christian 19
#7 Schellenberg Lutz 17
#8 Hamacher Matthias 14
#9 Hosemann Kurt 14
#10 Morlock Roland Dr 10

Latest patents

Publication Filing date Title
DE3829154A1 CHROME-FREE METHOD FOR PRE-TREATING METALLIC SURFACES BEFORE COATING WITH ORGANIC MATERIALS
DE3806675A1 CORROSION PROTECTORS AND THEIR USE
DE3742634A1 METHOD FOR THE COLLIGHTING OF PHOSPHATING BAEDERS AND DEVICE FOR THIS METHOD
DE3736171A1 Improved method for the deposition of satiny nickel deposits
DE3713734A1 METHOD FOR THE DEPOSITION-FREE DEPOSITION OF TERNAEREN, NICKEL AND PHOSPHORUS ALLOYS
DE3631667A1 LAYERING PASSIVATION IN MULTIMETAL METHOD
DE3541997A1 IMPROVED METHOD FOR ACTIVATING METAL SURFACES BEFORE ZINC PHOSPHATION
DE3537108A1 METHOD FOR PHOSPHATING ELECTROLYTICALLY GALVANIZED METALWARE
DE3500443A1 METHOD FOR IMPROVING THE CORROSION PROTECTION OF AUTOPHORETICALLY DEPOSIT RESIN LAYERS ON METAL SURFACES
DE3431276A1 METHOD FOR CONTROLLING ELECTROLYTE CONTENT OF AQUEOUS RESIN DISPERSIONS
DE3429532A1 METHOD FOR PASSIVATING LEAD AND LEAD-BASED SURFACES
DE3416993A1 ELECTROLYTE CONTAINING AQUEOUS, ACID, NICKEL AND COBALT ION FOR THE GALVANIC DEPOSITION OF HARD, TEMPERATURE-RESISTANT, WHITE GLOSSY ALLOY
DE3407513A1 METHOD FOR ZINC-CALCIUM PHOSPHATION OF METAL SURFACES AT LOW TREATMENT TEMPERATURE
DE3400339A1 METHOD FOR REPASSIVATING PHOSPHATED METAL SURFACES USING SOLUTIONS CONTAINING NICKEL AND / OR COPPER CATIONS
DE3325974A1 METHODS AND UNIVERSALLY APPLICABLE MEANS FOR THE ACCELERATED APPLICATION OF PHOSPHATE COATINGS ON METAL SURFACES
DE3247729A1 METHOD FOR TREATING METAL SURFACES, ESPECIALLY SUCH OF ALUMINUM, ALUMINUM ALLOYS AND STEEL, AND AQUEOUS AQUEOUS BATH SOLUTIONS THEREFOR
DE3245411A1 METHOD FOR PHOSPHATING ELECTROLYTICALLY GALVANIZED METAL GOODS
DE3244715A1 METHOD FOR PHOSPHATING METAL SURFACES, AND BATH SOLUTIONS SUITABLE FOR THIS
DE3217145A1 Method for cleaning, degreasing and activating metal surfaces
DE3213649A1 METHOD FOR CLEANING AND GREASING AND ACTIVATING METAL SURFACES