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Wellman Thermal Systems Corporation
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Shelbyville, IN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Screw plug immersion heater comprising separate header and threaded...
Patent number
5,191,634
Issue date
Mar 2, 1993
Wellman Thermal Systems Corporation
Nicholas Couch
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Temperature controlled soldering iron having low tip leakage voltage
Patent number
5,122,637
Issue date
Jun 16, 1992
Wellman Thermal Systems Corporation
Bruce D. Bottorff
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus for controlling the glow discharge process
Patent number
4,700,315
Issue date
Oct 13, 1987
Wellman Thermal Systems Corporation
Dennis R. Blackburn
G05 - CONTROLLING REGULATING
Information
Patent Grant
Glow plug
Patent number
4,592,134
Issue date
Jun 3, 1986
Wellman Thermal Systems Corporation
Frank T. Walton
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Fast start glow plug
Patent number
4,477,717
Issue date
Oct 16, 1984
Wellman Thermal Systems Corporation
Frank T. Walton
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Control system and method of controlling ion nitriding apparatus
Patent number
4,476,373
Issue date
Oct 9, 1984
Wellman Thermal Systems Corporation
Nicholas F. D'Antonio
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Soft wall hanger for furnace
Patent number
4,346,252
Issue date
Aug 24, 1982
Wellman Thermal Systems Corporation
Robert R. Walton
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Control system and method of controlling ion nitriding apparatus
Patent number
4,331,856
Issue date
May 25, 1982
Wellman Thermal Systems Corporation
Nicholas F. D'Antonio
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Electric furnace heater assembly
Patent number
4,219,692
Issue date
Aug 26, 1980
Wellman Thermal Systems Corporation
Albert M. Taylor
F27 - FURNACES KILNS OVENS RETORTS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73284384
Serial number
73284384
Registration number
1195581
Filing date
Nov 3, 1980
Wellman Thermal Systems Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments