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OTTO & CO GMBH DR C

Overview
  • Total Patents
    2,053
About

OTTO & CO GMBH DR C has a total of 2,053 patent applications. Its first patent ever was published in 1913. It filed its patents most often in Germany, France and United States. Its main competitors in its focus markets basic materials chemistry, materials and metallurgy and chemical engineering are BRONDER GASTON ALOYSIUS, WESTS GAS IMPROVEMENT CO LTD and STREITENBERGER HARTWIG.

Patent filings per year

Chart showing OTTO & CO GMBH DR Cs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Danguillier Wilhelm 66
#2 Thubeauville Heinz 63
#3 Schumacher Ralf 51
#4 Haese Egon 46
#5 Pohl Siegfried 43
#6 Grams Wolfgang 37
#7 Gernhardt Paul 35
#8 Mewes Rudolf 33
#9 Wackerbarth Folkard 33
#10 Pries E 31

Latest patents

Publication Filing date Title
DE3640396A1 Flexible seal for doors on coking ovens
DE3530991A1 Process for keeping the regenerators of a coke oven battery warm, and device for carrying out the process
DE3530990A1 Anchorage for the roof of coke ovens
DE3521540A1 EXTINGUISHER TROLLEY FOR COCING OVENS
EP0172316A2 Reversing valve
DE3512132A1 Coke-oven operating machine
DE3508822A1 METHOD FOR ELIMINATING THE DICK TEAR RESULTING FROM COOKING GAS COOLING, AND SYSTEM FOR IMPLEMENTING THE METHOD
DE3438583A1 DEVICE FOR LOCKING A PLANING DOOR
DE3431835A1 Process for the purification of flue gases and apparatus for carrying out the process
DE3431298A1 PIPE CLOSURE
KR910006528B1 Vehicle having a working stage for coke ovens
DE3410922A1 COOKING OVEN DOOR
JPS59142280A Coke oven door
DE3347664A1 NOZZLE SHEET CONSTRUCTION FOR UNDERBURNER COOKING OVENS
DE3347244A1 Process for operating a coke oven battery
DE3340792A1 METHOD FOR OPERATING A BATTERY OF CARBON OVENS
DE3331849A1 FILLING GAS EXTRACTION AT COCING OVENS
DE3331850A1 Process for making refractory composite blocks or bricks
BR8304530A Process for high ash content coal gasification, in special criciuma coal
DE3320485A1 DEVICE FOR IMPROVING THE FLOW CURRENT IN THE BETWEEN THE REGENERATORS OR. RECUPERATORS AND THE COMBUSTION SPACES OF GAS BURNERS, IN PARTICULAR, TRANSFER CHANNELS ARRANGED BY COOKING OVENS