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PATENT GRUDEOFEN FABRIK WALTER

Overview
  • Total Patents
    46
About

PATENT GRUDEOFEN FABRIK WALTER has a total of 46 patent applications. Its first patent ever was published in 1910. It filed its patents most often in Germany, Austria and Switzerland. Its main competitors in its focus markets thermal processes and basic materials chemistry are LOUIS DENAYROUZE, TRENDEL FRITZ and SPIEL JOHANNES.

Patent filings in countries

World map showing PATENT GRUDEOFEN FABRIK WALTERs patent filings in countries
# Country Total Patents
#1 Germany 28
#2 Austria 8
#3 Switzerland 5
#4 Denmark 2
#5 United Kingdom 2
#6 France 1

Patent filings per year

Chart showing PATENT GRUDEOFEN FABRIK WALTERs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Burners
#2 Fuels

Top inventors

# Name Total Patents
#1 Deutsche Patent-Grudeofen-Fabr 4
#2 Deutsche Patent-Grudeofen Fabr 1

Latest patents

Publication Filing date Title
DE421803C Firing for fine-grain fuels
DE413575C Grudeherd with up and down movable perforated plate or the like to accommodate the auxiliary fire layer
DE422352C Grate for bottom firing made of several superimposed support bodies for the fuel
DE421898C Grude heater
GB143236A A gas burner for bakers' ovens
DE335942C Gas heating burner with two or more flame rings and common or separate gas supply
DE337647C Grude furnace with preheating of the combustion air
GB191104343A Improvements in Cooking Stoves.
DE428279C Grude furnace with fuel tank
DE396247C Base fire
DE364921C Firing device for Grudekoks
DE324091C Grude furnace with double firing