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KOELSCH FOELZER WERKE AG

Overview
  • Total Patents
    55
About

KOELSCH FOELZER WERKE AG has a total of 55 patent applications. Its first patent ever was published in 1926. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets materials and metallurgy, chemical engineering and thermal processes are BRASSERT & CO, AJO STAHLBAU and YANTAI WANLONG VACUUM METALLURG CO LTD.

Patent filings in countries

World map showing KOELSCH FOELZER WERKE AGs patent filings in countries
# Country Total Patents
#1 Germany 25
#2 France 9
#3 United Kingdom 7
#4 Austria 4
#5 Belgium 3
#6 Sweden 3
#7 United States 2
#8 Canada 1
#9 Italy 1

Patent filings per year

Chart showing KOELSCH FOELZER WERKE AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Junker Ernst 6
#2 Hett Wolfgang 4
#3 Schmallenbach Werner 4
#4 Walterfang Stephan 3
#5 Walterfang S 2
#6 Thieme Jochem 2
#7 Ropke W-D 1
#8 Spalckhaver Arnold 1
#9 Aha K 1
#10 Schnegelsberg G 1

Latest patents

Publication Filing date Title
GB1590277A Method of and apparatus for treating a surface by applying a liquid thereto or removing a liquid therefrom
DE2739540A1 Tilting metallurgical vessel such as steel-making converter - where barrel is suspended via levers located in spherical pivot bearings
DE2657211A1 Blast furnace charging system - where charger machinery in furnace throat can be retracted into sealable garage for repairs
DE2655983A1 Blast furnace charging system - where charger machinery in furnace throat can be retracted into sealable garage for repairs
DE2649248A1 Distributor chute for charging a blast furnace - where chute is mounted in gimbals
GB1274074A Tuyeres for blast furnaces
DE1583179A1 Adjustable impact armor for shaft furnaces, especially blast furnaces
GB1178414A A Multi-Part Blast Pipe for Blast Furnaces.
DE1458787A1 Device and process for evaporative cooling in shaft ovens
DE1229565B Adjustable impact armor for shaft furnaces, especially blast furnaces
GB1016673A Method of and apparatus for separating paint from waste or circulating water containing paint
US3137566A Method of pouring cast iron
GB961320A Improvements in or relating to methods of and apparatus for separating a suspension into residue and filtrate
DE1270293B Device for degassing molten metal
GB956678A Improvements in or relating to processes for casting iron
DE1133087B Method of treating a cast iron melt
DE1133088B Procedure for preventing staining on cast rollers
DE1156385B Method and device for removing sludge and cleaning the filter candles in a thickener
DE1179961B Top hatch for blast furnaces with false bottom buckets
DE1039547B Filling arrangement with Senkbodenenkuebeln for blast furnaces