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KRUPP STAHL AG

Overview
  • Total Patents
    114
About

KRUPP STAHL AG has a total of 114 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Germany, EPO (European Patent Office) and United States. Its main competitors in its focus markets materials and metallurgy, transport and electrical machinery and energy are GUSSSTAHLWERK BOCHUMER VER AG, BOCHUMER VER FUER GUSSSTAHLFAB and JUKOR CORP N.

Patent filings in countries

World map showing KRUPP STAHL AGs patent filings in countries

Patent filings per year

Chart showing KRUPP STAHL AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kasper Willi 15
#2 Heller Wilhelm Dr-Ing 11
#3 Murawa Franz 10
#4 Raquet Erwin Dr Rer Nat 9
#5 Schneider Juergen 8
#6 Raquet Erwin 6
#7 Fluegge Juergen Dr-Ing 6
#8 Schweitzer Reinhard Dr-Ing 5
#9 Heller Wilhelm 5
#10 Schumacher Helmut 4

Latest patents

Publication Filing date Title
DE4112766A1 Use of corrosion-resistant, high-strength martensitic chrome steel for hinge bands
EP0391054A1 Use of a heat-resistant steel for corrosion-resistant components
DE3825626A1 Vibratory arrangement for damping a vibrating wall
DE3735884C1 Internally cooled roller and process for its manufacture
DE3725010C1 Process for producing thin metal strips
DE3705603C1 Method for descaling metallic rolled products
DE3704786A1 Method for start-up casting in a single- or multi-strand continuous casting installation
DE3640269C1 Method employed in the continuous casting of steel melted in a manner which gives a low hydrogen content
DE3638816C1 Method for the production of steel rails with low residual stress by means of roller straightening
DE3634106A1 Use of the residue arising in the recovery of pickling acid, and process for producing an additive slag former
DE3627650C1 rail
DE3612613C1 Channel for the continuous refining of metal melts, in particular pig-iron melts
DE3612174A1 Method and apparatus for lengthening steel heating electrodes of an aftertreatment plant for molten steel
DE3605648A1 METHOD AND DEVICE FOR STRAIGHTING A RAILWAY RAIL IN A ROLLER STRAIGHT MACHINE
EP0190448A1 Process for reducing residual stress of roller-straightened steel rails
DE3529419A1 Method for producing alloyed stainless steels with very low carbon contents
DE3529379A1 Process for increasing the fatigue strength of rails
DE3526055C1 Process for producing hydrogen/nitrogen blanketing gas mixtures for annealing cold-rolled steel strip
DE3519994C1 Method for the accelerated cooling of annealed material and an apparatus for carrying out the method
DE3505802C1 Device for heating up refractory immersion pipes for a continuous casting installation