Dr. C. Otto & Comp. G.m.b.H.

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Bochum, DE

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Patents Grantslast 30 patents

Information Patent Grant
Closure for a gas offtake pipe
- Patent number 4,666,559
- Issue date May 19, 1987
- Dr. C. Otto & Comp. G.m.b.H.
- Heinz Spindeler
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Reversing valve
- Patent number 4,664,140
- Issue date May 12, 1987
- Dr. C. Otto & Comp. G.m.b.H.
- Gerd Halbherr
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
System for latching a leveling door
- Patent number 4,655,488
- Issue date Apr 7, 1987
- Dr. C. Otto & Comp. G.m.b.H.
- Manfred Friedrichs
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Thermometer for coke oven chamber walls
- Patent number 4,580,908
- Issue date Apr 8, 1986
- Dr. C. Otto & Comp. G.m.b.H.
- Wilhelm Stewen
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Nozzle plate construction for underjet coke ovens
- Patent number 4,564,419
- Issue date Jan 14, 1986
- Dr. C. Otto & Comp. G.m.b.H.
- Heinz Spindeler
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Coke oven battery
- Patent number 4,564,420
- Issue date Jan 14, 1986
- Dr. C. Otto & Comp. G.m.b.H.
- Heinrich Spindeler
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Ascension pipe for coke ovens
- Patent number 4,564,421
- Issue date Jan 14, 1986
- Dr. C. Otto & Comp. G.m.b.H.
- Theo Koddenberg
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Production of porous sintered ceramic material
- Patent number 4,563,432
- Issue date Jan 7, 1986
- Dr. C. Otto & Comp. G.m.b.H.
- Walter Ehlert
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Transfer flue with means for improving the flow of gases
- Patent number 4,561,843
- Issue date Dec 31, 1985
- Dr. C. Otto & Comp. G.m.b.H.
- Carl-Heinz Struck
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Cleaning apparatus for the sealing surfaces of leveling doors and l...
- Patent number 4,552,622
- Issue date Nov 12, 1985
- Dr. C. Otto & Comp. G.m.b.H.
- Hans-Jurgen Kwasnik
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method of washing hydrogen sulfide from coke oven gas by the ammoni...
- Patent number 4,518,572
- Issue date May 21, 1985
- Dr. C. Otto & Comp. G.m.b.H.
- Horst Ritter
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for removing hydrogen sulfide from gases, particularly coal...
- Patent number 4,499,060
- Issue date Feb 12, 1985
- Dr. C. Otto & Comp. G.m.b.H.
- Horst Ritter
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Stack cooler for dry quenching of coke
- Patent number 4,497,691
- Issue date Feb 5, 1985
- Dr. C. Otto & Comp. G.m.b.H.
- Heinz Thubeauville
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Apparatus for leveling coal in a coke oven chamber
- Patent number 4,491,505
- Issue date Jan 1, 1985
- Dr. C. Otto & Comp. G.m.b.H.
- Heinrich Spindeler
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Heating system for a coke oven battery having twin-heating flues
- Patent number 4,440,599
- Issue date Apr 3, 1984
- Dr. C. Otto & Comp. G.m.b.H.
- Carl-Heinz Struck
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Apparatus for improving the flow of gases to a combustion chamber o...
- Patent number 4,435,152
- Issue date Mar 6, 1984
- Dr. C. Otto & Comp. G.m.b.H.
- Carl-Heinz Struck
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Latching mechanism on coke oven doors
- Patent number 4,429,908
- Issue date Feb 7, 1984
- Dr. C. Otto & Comp. G.m.b.H.
- Friedrich Ernst
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Apparatus for guiding material in strip form
- Patent number 4,421,623
- Issue date Dec 20, 1983
- Dr. C. Otto & Comp. G.m.b.H.
- Friedbert Koch
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Horizontal coke oven battery
- Patent number 4,416,732
- Issue date Nov 22, 1983
- Dr. C. Otto & Comp. G.m.b.H.
- Paul Gernhardt
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Coke oven battery for production of coke and gas
- Patent number 4,412,890
- Issue date Nov 1, 1983
- Dr. C. Otto & Comp. G.m.b.H.
- Heinz Thubeauville
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Apparatus for overhauling and repairing doors of horizontal coke-ov...
- Patent number 4,412,776
- Issue date Nov 1, 1983
- Dr. C. Otto & Comp. G.m.b.H.
- Hans-Jurgen Kwasnik
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Apparatus to extract gases evolving during charging of a coke oven
- Patent number 4,407,702
- Issue date Oct 4, 1983
- Dr. C. Otto & Comp. G.m.b.H.
- Hans-Jurgen Kwasnik
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for operating a biological sewage purification plant
- Patent number 4,406,790
- Issue date Sep 27, 1983
- Dr. C. Otto & Comp. G.m.b.H.
- Andreas Birkner
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Coke dry cooler in the form of a shaft
- Patent number 4,406,746
- Issue date Sep 27, 1983
- Dr. C. Otto & Comp. G.m.b.H.
- Wilhelm Danguillier
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the granulation of precipitation products formed from a...
- Patent number 4,394,363
- Issue date Jul 19, 1983
- Dr. C. Otto & Comp. G.m.b.H.
- Egon Haese
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
System for improving the flow of gases to a combustion chamber of a...
- Patent number 4,392,824
- Issue date Jul 12, 1983
- Dr. C. Otto & Comp. G.m.b.H.
- Carl-Heinz Struck
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Apparatus to receive coke from an oven chamber for quenching
- Patent number 4,385,963
- Issue date May 31, 1983
- Dr. C. Otto & Comp. G.m.b.H.
- Hans-Jurgen Kwasnik
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Apparatus for operating offtake and main valves
- Patent number 4,382,841
- Issue date May 10, 1983
- Dr. C. Otto & Comp. G.m.b.H.
- Theo Koddenberg
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Insert tubes for rich gas burners in the heating flues of coke oven...
- Patent number 4,382,772
- Issue date May 10, 1983
- Dr. C. Otto & Comp. G.m.b.H.
- Folkard Wackerbarth
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Coke distributing apparatus in a smoke hood
- Patent number 4,382,842
- Issue date May 10, 1983
- Dr. C. Otto & Comp. G.m.b.H.
- Hans-Jurgen Kwasnik
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Dr. C. Otto & Comp. G.m.b.H.

Organization

Patents Grantslast 30 patents

Closure for a gas offtake pipe

Reversing valve

System for latching a leveling door

Thermometer for coke oven chamber walls

Nozzle plate construction for underjet coke ovens

Coke oven battery

Ascension pipe for coke ovens

Production of porous sintered ceramic material

Transfer flue with means for improving the flow of gases

Cleaning apparatus for the sealing surfaces of leveling doors and l...

Method of washing hydrogen sulfide from coke oven gas by the ammoni...

Process for removing hydrogen sulfide from gases, particularly coal...

Stack cooler for dry quenching of coke

Apparatus for leveling coal in a coke oven chamber

Heating system for a coke oven battery having twin-heating flues

Apparatus for improving the flow of gases to a combustion chamber o...

Latching mechanism on coke oven doors

Apparatus for guiding material in strip form

Horizontal coke oven battery

Coke oven battery for production of coke and gas

Apparatus for overhauling and repairing doors of horizontal coke-ov...

Apparatus to extract gases evolving during charging of a coke oven

Method for operating a biological sewage purification plant

Coke dry cooler in the form of a shaft

Process for the granulation of precipitation products formed from a...

System for improving the flow of gases to a combustion chamber of a...

Apparatus to receive coke from an oven chamber for quenching

Apparatus for operating offtake and main valves

Insert tubes for rich gas burners in the heating flues of coke oven...

Coke distributing apparatus in a smoke hood

Patents Applicationslast 30 patents

Trademarklast 30 trademarks