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Toledo, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Thermal treating apparatus and process
Patent number
5,997,286
Issue date
Dec 7, 1999
Ford Motor Company
Klaus Heinrich Hemsath
C21 - METALLURGY OF IRON
Information
Patent Grant
Daisywheel convector plate for batch coil annealing furnace
Patent number
5,697,778
Issue date
Dec 16, 1997
Indugas, Inc.
Klaus H. Hemsath
C21 - METALLURGY OF IRON
Information
Patent Grant
High convective heat transfer immersion heater/cooler
Patent number
5,492,168
Issue date
Feb 20, 1996
Indugas, Inc.
Klaus H. Hemsath
C21 - METALLURGY OF IRON
Information
Patent Grant
Seal arrangement for batch coil annealing furnace
Patent number
5,419,699
Issue date
May 30, 1995
Indugas, Inc.
Klaus H. Hemsath
C21 - METALLURGY OF IRON
Information
Patent Grant
High temperature furnace
Patent number
5,297,959
Issue date
Mar 29, 1994
Indugas, Inc.
Klaus H. Hemsath
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Convective heat transfer by cascading jet impingement in a batch co...
Patent number
5,295,822
Issue date
Mar 22, 1994
Indugas, Inc.
Klaus H. Hemsath
C21 - METALLURGY OF IRON
Information
Patent Grant
Cooling cover for batch coil annealing furnace
Patent number
5,290,017
Issue date
Mar 1, 1994
Indugas, Inc.
Klaus H. Hemsath
C21 - METALLURGY OF IRON
Information
Patent Grant
Simplified, low cost absorption heat pump
Patent number
5,249,436
Issue date
Oct 5, 1993
Indugas, Inc.
Klaus H. Hemsath
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Convective heat transfer by cascading jet impingement
Patent number
5,228,513
Issue date
Jul 20, 1993
Indugas, Inc.
Klaus H. Hemsath
C21 - METALLURGY OF IRON
Information
Patent Grant
Gas fired radiant tube heater
Patent number
5,224,542
Issue date
Jul 6, 1993
Indugas, Inc.
Klaus H. Hemsath
E21 - EARTH DRILLING MINING
Information
Patent Grant
High temperature furnace
Patent number
5,207,972
Issue date
May 4, 1993
Indugas, Inc.
Klaus H. Hemsath
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Hybrid combustion device and system therefor
Patent number
5,090,891
Issue date
Feb 25, 1992
Indugas, Inc.
Klaus H. Hemsath
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Gas fired radiant tube heater
Patent number
5,082,055
Issue date
Jan 21, 1992
Indugas, Inc.
Klaus H. Hemsath
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gas fired melting furnace
Patent number
5,078,368
Issue date
Jan 7, 1992
Indugas, Inc.
Klaus H. Hemsath
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Enhanced oil recovery system with a radiant tube heater
Patent number
5,020,596
Issue date
Jun 4, 1991
Indugas, Inc.
Klaus H. Hemsath
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pulse burner and method of operation
Patent number
4,959,009
Issue date
Sep 25, 1990
Indugas, Inc.
Klaus H. Hemsath
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
In situ thermal waste disposal system
Patent number
4,913,065
Issue date
Apr 3, 1990
Indugas, Inc.
Klaus H. Hemsath
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Gas fired particulate melting apparatus and method
Patent number
4,781,171
Issue date
Nov 1, 1988
Indugas, Inc.
Klaus H. Hemsath
F27 - FURNACES KILNS OVENS RETORTS
Patents Applications
last 30 patents
Trademark
last 30 trademarks