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STILL OTTO GMBH

Overview
  • Total Patents
    66
About

STILL OTTO GMBH has a total of 66 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Germany, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets basic materials chemistry, environmental technology and chemical engineering are THYSSEN STILL OTTO GMBH, TANGSHAN SHOUGANG JINGTANG XISHAN COKING CO LTD and HUATAI YONGCHUANG BEIJING TECH CO LTD.

Patent filings per year

Chart showing STILL OTTO GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dungs Horst 19
#2 Stalherm Dieter 9
#3 Brinkmann Willi 9
#4 Stalherm Dieter Dr 7
#5 Tippmer Kurt 7
#6 Hoffmann Robert 7
#7 Offermann Ludwig 6
#8 Hoitz Joachim Dipl Ing Dr 5
#9 Schumacher Werner 5
#10 Lorenz Kurt 4

Latest patents

Publication Filing date Title
DE4300890A1 Deodorisation and deacidification of salad oils, fats and ester(s) - by continuous countercurrent falling film vapour distn.
DE4230028C1 Low pollution coking system - has chamber walls heated directly by coking chamber gas combustion
FR2674252A1 PROCESS FOR ABSORBING H2S, NH3 AND HCN FROM GAS FROM THE VALORISATION OF COAL.
DE4140313A1 METHOD FOR EXPLOSION-SAFE DRYING OF CLEANERS
EP0472146A1 Apparatus for sealing the charging hole of a dry coke cooling plant
DE4116576A1 Process for extracting excess coke oven water as a reverse osmosis permeate
WO9109094A1 Process and device for dry-cooling coke
EP0398035A2 Coke oven door
DE4012146A1 Precooling of coke-oven gas - with electrostatic filtration and naphthalene scrubbing
DE4012141A1 METHOD FOR PRE-COOKING RAW COOKING GAS AND FOR DESORPING WASHING WATER AND CONDENSATE OF COOKING
DE4012145A1 Multistage precooling of coke-oven gas - with naphthalene removal by scrubbing with tar
DE4012143A1 Washing ammonia out of coke oven gas with water - comprises two=stage process without need for distn. of regeneration plant and without environmental and cost drawbacks
DE4011006A1 Coke dry cooling system with heat recovery - has closed cooling chamber and two steam drums operating at different pressures and giving improved cooling
EP0390131A2 Conversion process for substrates such as sewage and/or industrial sludges, garbage, and similar organic parts containing wastes
DE4010342A1 Conversion prods. of industrial, domestic and other wastes
EP0462992A1 Process and device for extracting dry-cooled coke from a coke-quenching tower
EP0373577A1 Process for the treatment of sewage sludges or industrial sludges with organic constituents by means of the conversion process
DE3930871A1 Preventing dust and gas emissions when charging coal into coke oven - using flexible sealing rings inflated with compressed air
EP0363660A1 Apparatus for drawing off emissions from a coke oven roof
DE3930398A1 Removal by suction of emissions at top of coke ovens - during charging and prodn.