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HOERDER HUETTENUNION AG

Overview
  • Total Patents
    349
About

HOERDER HUETTENUNION AG has a total of 349 patent applications. Its first patent ever was published in 1938. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets materials and metallurgy, electrical machinery and energy and thermal processes are MATERIALS & METHODS LTD, OSAKA TOKUSHIYU GOUKIN KK and MOORE W H.

Patent filings in countries

World map showing HOERDER HUETTENUNION AGs patent filings in countries
# Country Total Patents
#1 Germany 147
#2 France 55
#3 United Kingdom 54
#4 United States 33
#5 Austria 19
#6 Canada 19
#7 Switzerland 10
#8 Belgium 8
#9 Sweden 3
#10 Netherlands 1

Patent filings per year

Chart showing HOERDER HUETTENUNION AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Knueppel Dr-Ing Helmut 21
#2 Fritz Harders 14
#3 Harders Fritz 12
#4 Brotzmann Dr-Ing Karl 10
#5 Helmut Knuppel 10
#6 Knuppel Helmut 8
#7 Karl Brotzmann 7
#8 Frerich Rudolf Dr-Ing 6
#9 Brotzmann Dipl-Phys Karl 6
#10 Brotzmann Karl 6

Latest patents

Publication Filing date Title
US3792999A Method of producing a drawing and deep drawing steel resistant to ageing, particularly for single-coat enamelling
GB1167245A Improvements in Laminated Sheeting
GB1182144A Method of producing a Drawing and Deep Drawing Steel Resistant to Ageing, particularly for Single-Coat Enamelling
DE1508155B1 Device for introducing additives into a steel degassing vessel
DE1508146A1 Method for producing a steel block free from edge blisters and voids
GB1073864A Arrangement for blowing reactive substances into metal melts
GB1108498A Improvements in and relating to degasification of metals
DE1483210A1 Use of an unalloyed steel with good bending properties in longitudinal and transverse directions
DE1634309A1 Trough-shaped sheet pile
GB1037369A Improvements in the vacuum degassing of metal melts
DE1243336B Method of cladding strips of steel
DE1458839A1 Process for the production of alloyed steels with low carbon content using negative pressure
DE1254110B Tool for deep drawing composite sheet
DE1258579B Sheet metal
DE1279049B Process for deoxidizing steel
DE1270585B Process for accelerating and perfecting the vacuum degassing of metals
GB999034A A method of fixing together interlocked steel sheet piles
GB1011178A Improvements in steel making processes
GB987749A Distributor vessel for multi-casting plants for continuous casting
US3299481A Continuous casting of metal melts