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RETECH, INC.
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STILLWATER, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and method for starting a plasma arc treatment system
Patent number
5,528,012
Issue date
Jun 18, 1996
Retech, Inc.
Max P. Schlienger
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
System for feeding toxic waste drums into a treatment chamber
Patent number
5,410,121
Issue date
Apr 25, 1995
Retech, Inc.
Max P. Schlienger
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Material melting and incinerating reactor with improved cooling and...
Patent number
5,408,494
Issue date
Apr 18, 1995
Retech, Inc.
Max P. Schlienger
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Arc plasma torch having tapered-bore electrode
Patent number
5,239,162
Issue date
Aug 24, 1993
Retech, Inc.
Rob E. Haun
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus for removal of floating impurities on liquid
Patent number
5,226,949
Issue date
Jul 13, 1993
Retech, Inc.
Max E. Schlienger
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Gas barrier for the refining superalloy
Patent number
5,183,498
Issue date
Feb 2, 1993
Retech, Inc.
Robert E. Haun
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for high temperature disposal of hazardous waste materials
Patent number
5,136,137
Issue date
Aug 4, 1992
Retech, Inc.
Max P. Schlienger
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Apparatus and method for high temperature disposal of hazardous was...
Patent number
5,005,494
Issue date
Apr 9, 1991
Retech, Inc.
Max P. Schlienger
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Melting retort and method of melting materials
Patent number
4,861,001
Issue date
Aug 29, 1989
Retech, Inc.
Max P. Schlienger
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Saw blade with non-magnetic inserts for electric arc saw and method...
Patent number
4,795,874
Issue date
Jan 3, 1989
Retech, Inc.
Max P. Schlienger
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus and method for high temperature disposal of hazardous was...
Patent number
4,770,109
Issue date
Sep 13, 1988
Retech, Inc.
Max P. Schlienger
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Rotary seal for movable shaft to eliminate breakaway friction
Patent number
4,637,032
Issue date
Jan 13, 1987
Retech, Inc.
Richard E. Whitman
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High speed electric arc saw and method of operating same
Patent number
4,510,368
Issue date
Apr 9, 1985
Retech, Inc.
Max P. Schlienger
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High speed electric arc saw and method of operating same
Patent number
4,463,242
Issue date
Jul 31, 1984
Retech, Inc.
Max P. Schlienger
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Saw blade for high speed electric arc saw
Patent number
4,401,875
Issue date
Aug 30, 1983
Retech, Inc.
Max P. Schlienger
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of operating high speed electric arc saw
Patent number
4,399,344
Issue date
Aug 16, 1983
Retech, Inc.
Max P. Schlienger
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for mounting a crucible within an electric furnace
Patent number
4,331,828
Issue date
May 25, 1982
Retech, Inc.
Max P. Schlienger
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for fastening flanged tubular members
Patent number
4,288,116
Issue date
Sep 8, 1981
Retech, Inc.
Max P. Schlienger
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74227309 - R
Serial number
74227309
Registration number
1797579
Filing date
Dec 2, 1991
Retech, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74227311 - RETECH
Serial number
74227311
Registration number
1804124
Filing date
Dec 2, 1991
Retech, Inc.
7 - Machines and machine tools