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DOERENTRUPER SAND & THONWERK

Overview
  • Total Patents
    35
About

DOERENTRUPER SAND & THONWERK has a total of 35 patent applications. Its first patent ever was published in 1950. 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 civil engineering are KERAMISCHE IND BEDARFS AKT GES, RIEDHAMMER GMBH CO KG and GROOM BRYAN LTD.

Patent filings in countries

World map showing DOERENTRUPER SAND & THONWERKs patent filings in countries

Patent filings per year

Chart showing DOERENTRUPER SAND & THONWERKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Florian Rudolf 9
#2 Herrmann Albert 5
#3 Florian Rudolf Dipl Ing 4
#4 Mueller Heinrich August Dipl I 2
#5 Florian R 2
#6 Borsch Alfred 2
#7 Aruberuto Heruman 1
#8 Herrmann A 1
#9 Leo Jan Dipl-Ing 1
#10 Rudolf Florian 1

Latest patents

Publication Filing date Title
DE3002763A1 Refractory mass based on dry quartz or silica grains - plus binder which decomposes when heated to form only silica
DE2906815A1 INDUCTION POT OVEN AND METHOD FOR THE PRODUCTION THEREOF
US4117052A Method and arrangement for use in lining articles, particularly melting oven
ATA143077A Method and device for producing a melting oven
DE2652643B1 Process for completing a melting furnace
DE2414170A1 Vibrator for compacting furnace plugs - adjustable to suit furnaces of different heights and dias
DE2414060A1 PROCESS FOR MANUFACTURING A MELTING FURNACE AND DEVICE FOR CARRYING OUT THE PROCESS
DE2414092A1 Purification of quartz sand - using ultrasonic vibration
DE2317942A1 EXTERNAL WINDOW SILL
DE2251087A1 FACADE PANEL MADE OF CERAMIC PANELS AND / OR STRAPS
DE881627C Process for the production of calcined quartz artificial stones and refractory masses
DE863175C Process for the production of calcined quartz artificial stones and refractory masses