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KARRENA GMBH

Overview
  • Total Patents
    85
About

KARRENA GMBH has a total of 85 patent applications. Its first patent ever was published in 1973. It filed its patents most often in Germany, EPO (European Patent Office) and France. Its main competitors in its focus markets thermal processes, civil engineering and basic materials chemistry are KERAMISCHE IND BEDARFS KG PAUL, DAVEY GEORGE W and LIPTAK FIRE BRICK ARCH COMPANY.

Patent filings per year

Chart showing KARRENA GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nowak Herbert 12
#2 Gorris Rainer 6
#3 Bergfeld Karl-Dieter 5
#4 Bottenbruch Hermann Dr 5
#5 Gerking Erich 5
#6 Engelhardt Max 4
#7 Scheve Heinrich 4
#8 Nowak Albrecht-Ehler 4
#9 Gerhardus Ulrich 3
#10 Tillmann August 3

Latest patents

Publication Filing date Title
DE102010025605A1 Injecting refractory masses
DE102008006894A1 Lining of a firebox
DE102006062325A1 Corrosion protection for pipe wall of combustion chamber, comprises ceramic plate that is mounted at intermediate space on pipe wall on combustion side, where intermediate space between pipe wall and ceramic plate is penetrated by gas
EP1788308A2 Refractory brick
EP1236954A1 Plates on boiler tube walls
DE19733998A1 Forming stones for the lining of a firebox and firebox interior wall
DE19733997A1 Fire-proof form brick for inner cladding of combustion chamber
DE19638711A1 Fire-resistant lining for combustion-chamber of recessed bricks
DE19636131A1 Constructional component of fireproof material
DE19632320A1 Wall for furnace room
DE19544229A1 Combustion chamber of coal-dust burner, with indented-built beams
DE19509637A1 Suspended ceiling with supports for insulating combustion chambers
DE3529479A1 Purpose-made block, in particular for chimneys
DE3327851A1 Process for producing a refractory lining layer and device for carrying out the process
DE3310516A1 DEVICE FOR PRODUCING A FIREPROOF LINING
DE3236646A1 Method of manufacturing a refractory lining layer
DE3227412A1 Method for manufacturing an industrial chimney
DE3211423A1 METHOD FOR REDUCING THE RAIN OF ACID
DE3209607C1 Device for anchoring a refractory lining
DE3204990C1 Method for manufacturing a high-temperature-resistant casing