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Frohmut Vollhardt
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Oberhausen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Filter for separating pollutants from flue gases
Patent number
5,586,995
Issue date
Dec 24, 1996
MAN Gutehoffnungshutte Aktiengesellschaft
Frohmut Vollhardt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Device for removing toxic solid and/or liquid substances from proje...
Patent number
5,522,326
Issue date
Jun 4, 1996
MAN Gutehoffnungshutte Aktiengesellschaft
Frohmut Vollhardt
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Device for removing heavy metals and slags from synthesis gas produ...
Patent number
5,458,859
Issue date
Oct 17, 1995
Man Guthehoffnungshutte
Frohmut Vollhardt
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Activated carbon filter for removing toxic substances, e.g., dioxin...
Patent number
5,198,004
Issue date
Mar 30, 1993
MAN Gutehoffnungshutte
Frohmut Vollhardt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Cooler for particle-laden gases
Patent number
5,099,916
Issue date
Mar 31, 1992
MAN Gutehoffnungshutte AG
Frohmut Vollhardt
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Device for incinerating waste material
Patent number
4,913,064
Issue date
Apr 3, 1990
Man Gutehoffnungshuette GmbH
Frohmut Vollhardt
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Installation for low-temperature carbonization of waste and impure...
Patent number
4,909,162
Issue date
Mar 20, 1990
Man Gutehoffnungshutte GmbH
Frohmut Vollhardt
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process and a device for cleaning inner or outer walls of verticall...
Patent number
4,840,145
Issue date
Jun 20, 1989
Man Gutehoffnungshuette GmbH
Frohmut Vollhardt
B08 - CLEANING
Information
Patent Grant
Process and a device for cleaning inner or outer walls of verticall...
Patent number
4,831,969
Issue date
May 23, 1989
Man Gutehoffnungshuette GmbH
Frohmut Vollhardt
B08 - CLEANING
Information
Patent Grant
Incinerator construction
Patent number
4,815,399
Issue date
Mar 28, 1989
MAN Gutehoffnungshutte GmbH
Frohmut Vollhardt
F22 - STEAM GENERATION
Information
Patent Grant
Waste incinerator construction
Patent number
4,768,445
Issue date
Sep 6, 1988
MAN Gutehoffnungshutte GmbH
Frohmut Vollhardt
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Vertical reactor for the generation of methanol
Patent number
4,743,432
Issue date
May 10, 1988
M.A.N. Maschinenfabrik Augsburg-Nurnberg
Frohmut Vollhardt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalytic reactor for the production of methanol, ammonia, synthesi...
Patent number
4,734,264
Issue date
Mar 29, 1988
MAN Gutehoffnungshautte GmbH
Frohmut Vollhardt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Reactor construction
Patent number
4,632,587
Issue date
Dec 30, 1986
M.A.N. Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft
Frohmut Vollhardt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Upright apparatus for cooling high pressure gases containing a high...
Patent number
4,509,463
Issue date
Apr 9, 1985
M.A.N. Maschinenfabrik Ausburg-Nurnberg Aktiengesellschaft
Frohmut Vollhardt
F28 - HEAT EXCHANGE IN GENERAL