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DORTMUND HOERDER HUETTENVER AK

Overview
  • Total Patents
    43
About

DORTMUND HOERDER HUETTENVER AK has a total of 43 patent applications. Its first patent ever was published in 1930. It filed its patents most often in Germany. Its main competitors in its focus markets materials and metallurgy, civil engineering and machine tools are DORTMUND HOERDER HU TTENVER AG, DORTMUND HOERDER HUETTENVER AG and SHA HUANHUAN.

Patent filings in countries

World map showing DORTMUND HOERDER HUETTENVER AKs patent filings in countries
# Country Total Patents
#1 Germany 43

Patent filings per year

Chart showing DORTMUND HOERDER HUETTENVER AKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Blum Dr-Ing Hermann 3
#2 Scheelhaase Hermann 2
#3 Groote Andreas 2
#4 Quandel Dr Phil Karl 1
#5 Buchholtz Dr-Ing Herbert 1
#6 Klempt Karl 1
#7 Herwig August 1
#8 Holzweiler Mathieu 1
#9 Holtmeier Josef 1
#10 Schulz Dr-Ing Ernst Hermann 1

Latest patents

Publication Filing date Title
DE803734C warehouse
DE713540C Process for reducing non-metallic inclusions in steel
DE711297C Process for removing iron oxide-containing slag in rolling mill furnaces
DE714151C Device for inserting filling stones into the lattice work of heat storage tanks, in particular hot air heaters
DE710051C Device for holding back the slag when tapping Siemens Martinoefen
DE692809C Steel hollow pile
DE694501C Safety driver for turning bars
DE696855C Bearings for the lower roll of rolling mills
DE709467C Wrapping tape profile
DE709814C Extraction of phosphorus-free vanadium and chromium compounds from slag containing them
DE691498C hen the same from the block molds
DE682331C Process for the production of refractory bricks containing carbon
DE688836C Device for continuous pouring of straights
DE698366C Drawing press for hollow bodies with cooled drawing ring
DE686789C Fixed burner for gas stoves with gas or mixing nozzles
DE692669C Safety driver for turning bars
DE663307C Device for inserting filling stones into the lattice work of heat storage tanks, in particular hot air heaters
DE691050C Buoyancy-proof attachment box
DE710753C Method for obtaining a vanadium-rich slag
DE711114C Process for the production of structures lying in the ground or in the open water in an open structure