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OFU OFENBAU UNION GMBH

Overview
  • Total Patents
    90
About

OFU OFENBAU UNION GMBH has a total of 90 patent applications. Its first patent ever was published in 1928. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets thermal processes, materials and metallurgy and control are SECO WARWICK CORP, FRIEDRICH SIEMENS K G and GAUTSCHI ENG GMBH.

Patent filings in countries

World map showing OFU OFENBAU UNION GMBHs patent filings in countries
# Country Total Patents
#1 Germany 42
#2 France 20
#3 United Kingdom 16
#4 Austria 5
#5 Italy 3
#6 Sweden 2
#7 Belgium 1
#8 Spain 1

Patent filings per year

Chart showing OFU OFENBAU UNION GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stroh Hans 7
#2 Haferkamp Wilhelm 6
#3 Koeberle Alfred 6
#4 Bunzel Eckard 6
#5 Mueller Julius 5
#6 Hatzenbichler Ernst 4
#7 Wendling Albert 4
#8 Spessert Robert 3
#9 Stein Hermann 2
#10 Boenecke Dipl-Phys Herbert 2

Latest patents

Publication Filing date Title
DE2637970A1 THROUGH FOLDER FOR STEEL SLABS
DE2556721A1 Walking beam furnace - esp. for heating small dia. rods, bars etc. without distortion
DE2530794B1 THROUGH OVEN
DE2459511B1 Continuous furnace for elongated metal blocks
GB1335753A Industrial furnaces
DE2020318B2 Support system for walking -beam or rails - on water cooling pipes in furnaces
DE1965451B2 Burner bridge for heat treatment furnaces
DE1948235B2 Rocker-bar furnace for pretreating metal
DE1943330B2 Billet extrusion furnace with curvilinear - hearth flooring
DE1934093B2 Push-type furnace with underfloor heating and channel - for scale removal
DE1814777A1 Hearth oven with longitudinally curved - oven space
DE1814779A1 Burner deflection brick for furnace - adjustment
DE1805401A1 Thermal treatment of materials in particular metal
GB1170041A Improvements in or relating to Combustion-Heated Furnaces and methods of Temperature Regulation therefor
FR1542689A Shutter member for an opening made in the wall of an industrial furnace
FR1425922A Industrial furnace for heat treatment of metallurgical products
FR1421961A Process for operating a roller furnace used for the heat treatment of metallurgical products and roller furnace used for carrying out the process
FR1421118A Heating chamber with forklift or lifting beams for industrial furnaces used for the heat treatment of metallurgical products
FR1370251A Process for cooling the roller train of very hot furnaces and furnace suitable for this process
GB958495A Method of and apparatus for mixing gases