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WEIRTON STEEL CORPORATION
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WEIRTON, WV, US
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Patents Grants
last 30 patents
Information
Patent Grant
Polymeric coating formulations and steel substrate composites
Patent number
6,773,217
Issue date
Aug 10, 2004
Weirton Steeel Corporation
John A. Sinsel
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Surface cleansing of continuous-strip steel for hot-dip metal coati...
Patent number
6,679,273
Issue date
Jan 20, 2004
Weirton Steel Corporation
Kenneth R. Olashuk
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Methods and apparatus for aligning rolls
Patent number
6,628,378
Issue date
Sep 30, 2003
University of Pittsburgh
Roy D. Marangoni
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
One-piece can bodies for pressure pack beverage cans
Patent number
6,305,210
Issue date
Oct 23, 2001
Weirton Steel Corporation
William T. Saunders
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Electrolytic tinplating of steel substrate and apparatus
Patent number
6,280,596
Issue date
Aug 28, 2001
Weirton Steel Corporation
Ralph Wilkerson
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Rigid sheet metal end closure with integral opener
Patent number
D425419
Issue date
May 23, 2000
Weirton Steel Corporation
Mai Huang
D09 - Packages and containers for goods
Information
Patent Grant
Rigid sheet metal end closure with integral opener
Patent number
D422911
Issue date
Apr 18, 2000
Weirton Steel Corporation
Mai Huang
D09 - Packages and containers for goods
Information
Patent Grant
Rigid sheet metal rivet button fabrication for convenience-feature...
Patent number
6,035,689
Issue date
Mar 14, 2000
Weirton Steel Corporation
Der-Form Chang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Fabricating one-piece can bodies with controlled side wall elongation
Patent number
5,987,951
Issue date
Nov 23, 1999
Weirton Steel Corporation
William T. Saunders
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Weatherproofing for sheet metal roofing
Patent number
5,953,810
Issue date
Sep 21, 1999
Weirton Steel Corporation
Robert R. Goodhart
E04 - BUILDING
Information
Patent Grant
Protecting flat-rolled sheet metal for shipment and storage
Patent number
5,941,050
Issue date
Aug 24, 1999
Weirton Steel Corporation
Tony Georgetti
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Electrolytic plating of steel substrate
Patent number
5,928,487
Issue date
Jul 27, 1999
Weirton Steel Corporation
John A. Sinsel
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Decreasing contamination of molten metal prior to solidification ca...
Patent number
5,887,647
Issue date
Mar 30, 1999
Weirton Steel Corporation
Scott D. Melville
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Light-gage composite-coated flat-rolled steel manufacture and product
Patent number
5,861,215
Issue date
Jan 19, 1999
Weirton Steel Corporation
William T. Saunders
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Continuous particle separation operation
Patent number
5,830,282
Issue date
Nov 3, 1998
Weirton Steel Corporation
Kenneth R. Olashuk
B08 - CLEANING
Information
Patent Grant
Easy-access sheet metal container structures
Patent number
5,813,811
Issue date
Sep 29, 1998
Weirton Steel Corporation
William T. Saunders
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Flat-rolled steel strip continuous cleansing methods
Patent number
5,776,258
Issue date
Jul 7, 1998
Weirton Steel Corporation
Kenneth R. Olashuk
B08 - CLEANING
Information
Patent Grant
Roofing panel
Patent number
D394718
Issue date
May 26, 1998
Weirton Steel Corporation
Paula Costantini
D25 - Building units and construction elements
Information
Patent Grant
Roofing panel
Patent number
D394719
Issue date
May 26, 1998
Weirton Steel Corporation
Paula Costantini
D25 - Building units and construction elements
Information
Patent Grant
Draw-processing of can bodies for sanitary can packs
Patent number
5,732,850
Issue date
Mar 31, 1998
Weirton Steel Corporation
William T. Saunders
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Rigid packaging using gas-permeable membrane
Patent number
5,692,634
Issue date
Dec 2, 1997
Weirton Steel Corporation
Leonard A. Jenkins
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Draw-processing of can bodies for sanitary can packs
Patent number
5,689,992
Issue date
Nov 25, 1997
Weirton Steel Corporation
William T. Saunders
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for joining sheet metal convenience-feature end closure t...
Patent number
5,688,094
Issue date
Nov 18, 1997
Weirton Steel Corporation
William T. Saunders
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Coating control apparatus
Patent number
5,683,514
Issue date
Nov 4, 1997
Weirton Steel Corporation
Timothy L. Cox
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Light-gage composite-coated flat-rolled steel manufacture and product
Patent number
5,674,633
Issue date
Oct 7, 1997
Weirton Steel Corporation
William T. Saunders
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Preparing sheet metal and fabricating roofing shingles
Patent number
5,657,603
Issue date
Aug 19, 1997
Weirton Steel Corporation
Robert R. Goodhart
E04 - BUILDING
Information
Patent Grant
Fabricating one-piece can bodies with controlled side wall elongation
Patent number
5,647,242
Issue date
Jul 15, 1997
Weirton Steel Corporation
William T. Saunders
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Draw-process systems for fabricating one-piece can bodies
Patent number
5,626,049
Issue date
May 6, 1997
Weirton Steel Corporation
William T. Saunders
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Continuous strip coating control methods
Patent number
5,614,266
Issue date
Mar 25, 1997
Weirton Steel Corporation
Timothy L. Cox
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Apparatus for continuous flat-rolled steel strip cleansing and fini...
Patent number
5,599,395
Issue date
Feb 4, 1997
Weirton Steel Corporation
Kenneth R. Olashuk
B08 - CLEANING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
76013600 - WEIRLUBE
Serial number
76013600
Filing date
Mar 28, 2000
WEIRTON STEEL CORPORATION
4 - Industrial oils and greases
Information
Trademark
75437761 - WEIRBRITE
Serial number
75437761
Registration number
2313056
Filing date
Feb 20, 1998
WEIRTON STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
75418964 - M METALEXCHANGE
Serial number
75418964
Filing date
Jan 16, 1998
WEIRTON STEEL CORPORATION
35 - Advertising
Information
Trademark
75319013 - M A P S
Serial number
75319013
Registration number
2236170
Filing date
Jul 3, 1997
WEIRTON STEEL CORPORATION
7 - Machines and machine tools
Information
Trademark
75976925 - DTR-I
Serial number
75976925
Registration number
2200659
Filing date
Dec 9, 1994
WEIRTON STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
74608909 - DTR-I
Serial number
74608909
Filing date
Dec 9, 1994
WEIRTON STEEL CORPORATION
37 - Building construction
Information
Trademark
74357260 - WEIRTEC
Serial number
74357260
Registration number
1837087
Filing date
Feb 5, 1993
WEIRTON STEEL CORPORATION
40 - Treatment of materials
Information
Trademark
74316109 - ULTRALITE
Serial number
74316109
Registration number
1851186
Filing date
Sep 21, 1992
WEIRTON STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
74086743 - WEIRTON STEEL CORPORATION
Serial number
74086743
Registration number
1781064
Filing date
Aug 10, 1990
WEIRTON STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
74070839 - WEIRTON STEEL CORPORATION
Serial number
74070839
Filing date
Jun 19, 1990
WEIRTON STEEL CORPORATION
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
74004177 - WEIRTON STEEL CORPORATION EMPLOYEE OWNED
Serial number
74004177
Filing date
Nov 20, 1989
WEIRTON STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
73839670 - SLIM-NINER
Serial number
73839670
Registration number
1616399
Filing date
Nov 15, 1989
WEIRTON STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
73839492 - SLIM-NINE
Serial number
73839492
Registration number
1606129
Filing date
Nov 15, 1989
WEIRTON STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
73839467 - NINER
Serial number
73839467
Registration number
1606128
Filing date
Nov 15, 1989
WEIRTON STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
73828283 - WEIRTON STEEL CORPORATION EMPLOYEE OWNED
Serial number
73828283
Filing date
Sep 29, 1989
WEIRTON STEEL CORPORATION
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
73828280 - WEIRTON
Serial number
73828280
Filing date
Sep 29, 1989
WEIRTON STEEL CORPORATION
25 - Clothing, footwear, headgear
Information
Trademark
73828281 - WEIRTON
Serial number
73828281
Filing date
Sep 29, 1989
WEIRTON STEEL CORPORATION
20 - Furniture, mirrors, picture frames
Information
Trademark
73828282 - WEIRTON
Serial number
73828282
Filing date
Sep 29, 1989
WEIRTON STEEL CORPORATION
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
73828284 - WEIRTON STEEL CORPORATION EMPLOYEE OWNED
Serial number
73828284
Filing date
Sep 29, 1989
WEIRTON STEEL CORPORATION
25 - Clothing, footwear, headgear
Information
Trademark
73826100 - WEIRTON STEEL CORPORATION EMPLOYEE OWNED
Serial number
73826100
Filing date
Sep 18, 1989
WEIRTON STEEL CORPORATION
26 - Lace and embroidery, ribbons and braid
Information
Trademark
73825922 - WEIRTON STEEL CORPORATION EMPLOYEE OWNED
Serial number
73825922
Filing date
Sep 18, 1989
WEIRTON STEEL CORPORATION
14 - Precious metals and their alloys and goods in precious metals or coated therewith, not included in other classes
Information
Trademark
73815502 - STRADDLE-OPENER
Serial number
73815502
Registration number
1584330
Filing date
Jul 28, 1989
WEIRTON STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
73815231 - WEIR-OPEN
Serial number
73815231
Registration number
1590489
Filing date
Jul 27, 1989
WEIRTON STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
73800827 - IMIS
Serial number
73800827
Registration number
1595000
Filing date
May 17, 1989
WEIRTON STEEL CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73800823 - IMIS INTEGRATED MANUFACTURING INFORMATION SYSTEM
Serial number
73800823
Filing date
May 17, 1989
WEIRTON STEEL CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73800826 - IMIS
Serial number
73800826
Registration number
1606205
Filing date
May 17, 1989
WEIRTON STEEL CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73645426 - SHAPING SOLUTIONS FOR USERS OF TIN MILL PRODUCTS
Serial number
73645426
Registration number
1490596
Filing date
Feb 19, 1987
WEIRTON STEEL CORPORATION
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73614040 - WEIRCOR
Serial number
73614040
Registration number
1436198
Filing date
Aug 11, 1986
WEIRTON STEEL CORPORATION
6 - Common metals and their alloys
Information
Trademark
73602315 - WEIRTEC
Serial number
73602315
Registration number
1427948
Filing date
Jun 4, 1986
WEIRTON STEEL CORPORATION
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73583700 - WEIRKOTE PLUS
Serial number
73583700
Registration number
1415576
Filing date
Feb 19, 1986
WEIRTON STEEL CORPORATION
6 - Common metals and their alloys