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LINDBERG CORPORATION
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CHICAGO, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for the injection molding of a metal alloy: sub-ring concept
Patent number
5,680,894
Issue date
Oct 28, 1997
Lindberg Corporation
Robert K. Kilbert
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Modified drive system for endless belt conveyors with rollers havin...
Patent number
5,449,063
Issue date
Sep 12, 1995
Lindberg Corporation
James A. Thomas
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Modified drive system for endless belt conveyors with rollers havin...
Patent number
5,282,532
Issue date
Feb 1, 1994
Lindberg Corporation
James A. Thomas
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Drive system for endless belt conveyors with rollers having driving...
Patent number
5,160,020
Issue date
Nov 3, 1992
Lindberg Corporation
James A. Thomas
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method and apparatus for monitoring atmosphere in furnaces
Patent number
4,966,348
Issue date
Oct 30, 1990
Lindberg Corp.
Harry E. Schneider
C21 - METALLURGY OF IRON
Information
Patent Grant
Steam sealing for nitrogen treated ferrous part
Patent number
4,738,730
Issue date
Apr 19, 1988
Lindberg Corporation
Howard Ferguson
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
76190230 - HEAT TREAT NAVIGATOR
Serial number
76190230
Filing date
Jan 5, 2001
Lindberg Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75773091 - LINTRIDE SS
Serial number
75773091
Registration number
2445206
Filing date
Aug 11, 1999
Lindberg Corporation
40 - Treatment of materials
Information
Trademark
75773093 - LINTRIDE I
Serial number
75773093
Registration number
2445207
Filing date
Aug 11, 1999
Lindberg Corporation
40 - Treatment of materials
Information
Trademark
75773094 - LINTRIDE
Serial number
75773094
Registration number
2435940
Filing date
Aug 11, 1999
Lindberg Corporation
40 - Treatment of materials
Information
Trademark
75773090 - LINTRIDE IP
Serial number
75773090
Registration number
2447067
Filing date
Aug 11, 1999
Lindberg Corporation
40 - Treatment of materials
Information
Trademark
75773092 - LINTRIDE II
Serial number
75773092
Registration number
2447068
Filing date
Aug 11, 1999
Lindberg Corporation
40 - Treatment of materials
Information
Trademark
74645093 - SURFHARD
Serial number
74645093
Filing date
Mar 7, 1995
Lindberg Corporation
40 - Treatment of materials
Information
Trademark
74492344 - THX MOLDING
Serial number
74492344
Filing date
Feb 22, 1994
Lindberg Corporation
40 - Treatment of materials
Information
Trademark
74131579 - MAX-TRAK
Serial number
74131579
Registration number
1730239
Filing date
Jan 18, 1991
Lindberg Corporation
7 - Machines and machine tools
Information
Trademark
74016086 - LUI
Serial number
74016086
Filing date
Jan 3, 1990
LINDBERG CORPORATION
40 - Treatment of materials
Information
Trademark
74016113 - LUI
Serial number
74016113
Registration number
1638734
Filing date
Jan 3, 1990
LINDBERG CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73791011 - CAHTS
Serial number
73791011
Registration number
1613601
Filing date
Apr 3, 1989
LINDBERG CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73489536 - LINDURE
Serial number
73489536
Registration number
1346799
Filing date
Jul 12, 1984
LINDBERG CORPORATION
40 - Treatment of materials
Information
Trademark
73372065 - LINDURE
Serial number
73372065
Filing date
Jun 28, 1982
LINDBERG CORPORATION
40 - Treatment of materials