QUANEX CORPORATION

Organization

HOUSTON, TX, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Frame assembly including a cornerlock
- Patent number 9,879,472
- Issue date Jan 30, 2018
- Quanex Corporation
- Joseph D. Isaacs
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Cornerlock having a self configurable first body member
- Patent number 9,869,122
- Issue date Jan 16, 2018
- Quanex Corporation
- Joseph D. Isaacs
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Threshold assembly for an entryway system
- Patent number 9,487,992
- Issue date Nov 8, 2016
- Quanex Corporation
- James W. Meeks
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Threshold assembly having a rail and a drainage element
- Patent number 8,813,427
- Issue date Aug 26, 2014
- Quanex Corporation
- James W. Meeks
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Adjustable frame assembly and method of assembling the adjustable f...
- Patent number 8,683,771
- Issue date Apr 1, 2014
- Quanex Corporation
- Jeffrey V. Sawyers
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Corner pad for a door assembly
- Patent number 8,555,551
- Issue date Oct 15, 2013
- Quanex Corporation
- James W. Meeks
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Method of manufacturing a frame assembly having stile and rail tabs...
- Patent number 8,528,212
- Issue date Sep 10, 2013
- Quanex Corporation
- Jeffrey V. Sawyers
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Frame assembly having stile and rail tabs for coupling stile and ra...
- Patent number 8,499,523
- Issue date Aug 6, 2013
- Quanex Corporation
- Jeffrey V. Sawyers
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Retention assembly for retaining a panel in a window or a door
- Patent number 8,291,656
- Issue date Oct 23, 2012
- Quanex Corporation
- Peter A. Gunther
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Entryway for disposition in a door opening of a building
- Patent number 7,877,940
- Issue date Feb 1, 2011
- Quanex Corporation
- James W. Meeks
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Lock block assembly for an astragal
- Patent number 7,878,559
- Issue date Feb 1, 2011
- Quanex Corporation
- James W. Meeks
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Retractable screen and frame assembly
- Patent number 7,861,761
- Issue date Jan 4, 2011
- Quanex Corporation
- Robert C. Martineau
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Astragal boot
- Patent number 7,788,863
- Issue date Sep 7, 2010
- Quanex Corporation
- Michael E. Pepper
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Retention assembly for retaining a panel in a window or a door
- Patent number 7,752,816
- Issue date Jul 13, 2010
- Quanex Corporation
- Peter A. Gunther
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Astragal boot
- Patent number 7,694,471
- Issue date Apr 13, 2010
- Quanex Corporation
- James W. Meeks
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Sliding rail assembly for a sliding panel movable along a track
- Patent number 7,653,966
- Issue date Feb 2, 2010
- Quanex Corporation
- Don Quinn
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Entryway system including a threshold assembly
- Patent number 7,600,346
- Issue date Oct 13, 2009
- Quanex Corporation
- James W. Meeks
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Slide bolt assembly for an astragal
- Patent number 7,543,860
- Issue date Jun 9, 2009
- Quanex Corporation
- James W. Meeks
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Adjustable threshold assembly
- Patent number 7,472,516
- Issue date Jan 6, 2009
- Quanex Corporation
- Michael E. Pepper
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Frame for supporting an article and a method of forming a corner of...
- Patent number 7,418,806
- Issue date Sep 2, 2008
- Quanex Corporation
- Robert C. Martineau
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Astragal boot
- Patent number D544337
- Issue date Jun 12, 2007
- Quanex Corporation
- Michael E. Pepper
- D08 - Tools and hardware
Information Patent Grant
Astragal boot
- Patent number D541629
- Issue date May 1, 2007
- Quanex Corporation
- Michael E. Pepper
- D08 - Tools and hardware
Information Patent Grant
Frame assembly and frame component for tensioning fabric about a pa...
- Patent number 6,722,096
- Issue date Apr 20, 2004
- Quanex Corporation
- John Paul Von Arx
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method of assembling a frame assembly for a partition system
- Patent number 6,619,003
- Issue date Sep 16, 2003
- Quanex Corporation
- John Paul Von Arx
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
One-piece window connector
- Patent number 6,406,213
- Issue date Jun 18, 2002
- Quanex Corporation
- Francis J. Dohman
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Window component and method of manufacture
- Patent number 6,047,514
- Issue date Apr 11, 2000
- Quanex Corporation
- John T. Verch
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Adjustable roller assembly
- Patent number 5,845,363
- Issue date Dec 8, 1998
- Quanex Corporation
- Maitland J. Brempell
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Muntin bar assembly
- Patent number 5,657,590
- Issue date Aug 19, 1997
- Quanex Corporation
- Rodney J. Digman
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Tubular connection
- Patent number 4,696,498
- Issue date Sep 29, 1987
- Quanex Corporation
- Kristy L. Church
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for charging lime into an electric arc furnace
- Patent number 4,393,507
- Issue date Jul 12, 1983
- Quanex Corporation
- Ronald E. Miller
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Cornerlock Having a Self Configurable First Body Member
- Publication number 20170218680
- Publication date Aug 3, 2017
- QUANEX CORPORATION
- Joseph D. Isaacs
- F24 - HEATING RANGES VENTILATING
Information Patent Application
THRESHOLD ASSEMBLY FOR AN ENTRYWAY SYSTEM
- Publication number 20170058592
- Publication date Mar 2, 2017
- QUANEX CORPORATION
- James W. Meeks
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Frame Assembly Including a Cornerlock
- Publication number 20160356076
- Publication date Dec 8, 2016
- QUANEX CORPORATION
- Joseph D. Isaacs
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Sill Assembly for a Threshold System and a Method of Producing the...
- Publication number 20160215555
- Publication date Jul 28, 2016
- QUANEX CORPORATION
- James W. Meeks
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Threshold Assembly For An Entryway System
- Publication number 20160145931
- Publication date May 26, 2016
- QUANEX CORPORATION
- James W. Meeks
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
DOOR BOTTOM SYSTEM FOR AN ENTRYWAY SYSTEM
- Publication number 20150308180
- Publication date Oct 29, 2015
- QUANEX CORPORATION
- James W. Meeks
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
METHOD OF MANUFACTURING A FRAME ASSEMBLY HAVING STILE AND RAIL TABS...
- Publication number 20110167609
- Publication date Jul 14, 2011
- QUANEX CORPORATION
- Jeffrey V. Sawyers
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
FRAME ASSEMBLY HAVING STILE AND RAIL TABS FOR COUPLING STILE AND RA...
- Publication number 20110167753
- Publication date Jul 14, 2011
- QUANEX CORPORATION
- Jeffrey V. Sawyers
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
RETENTION ASSEMBLY FOR RETAINING A PANEL IN A WINDOW OR A DOOR
- Publication number 20100300036
- Publication date Dec 2, 2010
- QUANEX CORPORATION
- Peter A. Gunther
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
ENTRYWAY FOR DISPOSITION IN A DOOR OPENING OF A BUILDING
- Publication number 20090025299
- Publication date Jan 29, 2009
- QUANEX CORPORATION
- James W. Meeks
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Astragal Boot
- Publication number 20080229668
- Publication date Sep 25, 2008
- QUANEX CORPORATION
- James W. Meeks
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
ENTRYWAY SYSTEM INCLUDING A THRESHOLD ASSEMBLY
- Publication number 20080222961
- Publication date Sep 18, 2008
- QUANEX CORPORATION
- James W. Meeks
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
RETRACTABLE SCREEN ASSEMBLY
- Publication number 20080210385
- Publication date Sep 4, 2008
- QUANEX CORPORATION
- Jeffrey V. Sawyers
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
SAND CATCHER FOR PRODUCTION OF STEEL AND OTHER METALS
- Publication number 20080073053
- Publication date Mar 27, 2008
- QUANEX CORPORATION
- James Michael Shepherd
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Lock Block Assembly For An Astragal
- Publication number 20070205609
- Publication date Sep 6, 2007
- QUANEX CORPORATION
- James W. Meeks
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
SCREEN ASSEMBLY FOR A FRAME OPENING
- Publication number 20070199667
- Publication date Aug 30, 2007
- QUANEX CORPORATION
- Mike R. Jumbeck
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Astragal boot
- Publication number 20070079557
- Publication date Apr 12, 2007
- QUANEX CORPORATION
- Michael E. Pepper
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Retractable screen and frame assembly
- Publication number 20070029049
- Publication date Feb 8, 2007
- QUANEX CORPORATION
- Robert C. Martineau
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Retention assembly for retaining a panel in a window or a door
- Publication number 20070022680
- Publication date Feb 1, 2007
- QUANEX CORPORATION
- Peter A. Gunther
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Screen assembly having dimples formed in frame sections for retaini...
- Publication number 20060266677
- Publication date Nov 30, 2006
- QUANEX CORPORATION
- Don Quinn
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Sliding rail assembly for a sliding panel movable along a track
- Publication number 20060230575
- Publication date Oct 19, 2006
- QUANEX CORPORATION
- Don Quinn
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Adjustable threshold assembly
- Publication number 20060112644
- Publication date Jun 1, 2006
- QUANEX CORPORATION
- Michael E. Pepper
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Screen assembly and method of attaching a screen cloth therein usin...
- Publication number 20060048467
- Publication date Mar 9, 2006
- QUANEX CORPORATION
- Robert C. Martineau
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
METHOD OF ASSEMBLING A FRAME ASSEMBLY FOR A PARTITION SYSTEM
- Publication number 20030136064
- Publication date Jul 24, 2003
- QUANEX CORPORATION
- John Paul Von Arx
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Frame assembly and frame component for tensioning fabric about a pa...
- Publication number 20030136073
- Publication date Jul 24, 2003
- QUANEX CORPORATION
- John Paul Von Arx
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Trademarklast 30 trademarks

Information Trademark
77047114 - NITROBRITE
- Serial number 77047114
- Filing date Nov 17, 2006
- QUANEX CORPORATION
- 40 - Treatment of materials
Information Trademark
77029571 - NITROBRITE
- Serial number 77029571
- Registration number 3513059
- Filing date Oct 25, 2006
- QUANEX CORPORATION
- 6 - Common metals and their alloys
Information Trademark
78692355 - UNIVERSILL
- Serial number 78692355
- Filing date Aug 15, 2005
- QUANEX CORPORATION
- 6 - Common metals and their alloys
Information Trademark
76585480 - MACPLUS
- Serial number 76585480
- Registration number 3128356
- Filing date Apr 5, 2004
- QUANEX CORPORATION
- 6 - Common metals and their alloys
Information Trademark
76498025 - MACPRIME
- Serial number 76498025
- Registration number 2855673
- Filing date Mar 10, 2003
- QUANEX CORPORATION
- 6 - Common metals and their alloys
Information Trademark
75910774 - NITRO-100
- Serial number 75910774
- Registration number 2590394
- Filing date Feb 7, 2000
- Quanex Corporation
- 6 - Common metals and their alloys
Information Trademark
75568597 - STORM SEAL
- Serial number 75568597
- Registration number 2427357
- Filing date Oct 13, 1998
- QUANEX CORPORATION
- 6 - Common metals and their alloys
Information Trademark
75322194 - QUANEX
- Serial number 75322194
- Registration number 2182310
- Filing date Jul 10, 1997
- QUANEX CORPORATION
- 6 - Common metals and their alloys
Information Trademark
74609251 - MACGOLD
- Serial number 74609251
- Registration number 1984723
- Filing date Dec 9, 1994
- Quanex Corporation
- 6 - Common metals and their alloys
Information Trademark
74608735 - NITROSTEEL
- Serial number 74608735
- Registration number 2120181
- Filing date Dec 8, 1994
- QUANEX CORPORATION
- 6 - Common metals and their alloys
Information Trademark
74316703 - SEAM-FREE
- Serial number 74316703
- Registration number 1907042
- Filing date Sep 24, 1992
- Quanex Corporation
- 6 - Common metals and their alloys
Information Trademark
74092639 - THE BEST ALLOY & SPECIALTY BARS
- Serial number 74092639
- Registration number 1661953
- Filing date Aug 30, 1990
- Quanex Corporation
- 37 - Building construction
Information Trademark
74009233 - MACSTEEL
- Serial number 74009233
- Registration number 1613527
- Filing date Dec 8, 1989
- Quanex Corporation
- 6 - Common metals and their alloys
Information Trademark
73612819 - MAC+
- Serial number 73612819
- Registration number 1432700
- Filing date Aug 4, 1986
- Quanex Corporation
- 6 - Common metals and their alloys
Information Trademark
73555155 - SEAM-FREE
- Serial number 73555155
- Registration number 1427981
- Filing date Aug 23, 1985
- Quanex Corporation
- 6 - Common metals and their alloys
Information Trademark
73555156 - ULTRA-BAR
- Serial number 73555156
- Registration number 1387238
- Filing date Aug 23, 1985
- Quanex Corporation
- 6 - Common metals and their alloys
Information Trademark
73298976 - MAC MACSTEEL-THE MIGHTY MITE
- Serial number 73298976
- Registration number 1228984
- Filing date Feb 27, 1981
- Quanex Corporation
- 37 - Building construction

QUANEX CORPORATION

Organization

Patents Grantslast 30 patents

Frame assembly including a cornerlock

Cornerlock having a self configurable first body member

Threshold assembly for an entryway system

Threshold assembly having a rail and a drainage element

Adjustable frame assembly and method of assembling the adjustable f...

Corner pad for a door assembly

Method of manufacturing a frame assembly having stile and rail tabs...

Frame assembly having stile and rail tabs for coupling stile and ra...

Retention assembly for retaining a panel in a window or a door

Entryway for disposition in a door opening of a building

Lock block assembly for an astragal

Retractable screen and frame assembly

Astragal boot

Retention assembly for retaining a panel in a window or a door

Astragal boot

Sliding rail assembly for a sliding panel movable along a track

Entryway system including a threshold assembly

Slide bolt assembly for an astragal

Adjustable threshold assembly

Frame for supporting an article and a method of forming a corner of...

Astragal boot

Astragal boot

Frame assembly and frame component for tensioning fabric about a pa...

Method of assembling a frame assembly for a partition system

One-piece window connector

Window component and method of manufacture

Adjustable roller assembly

Muntin bar assembly

Tubular connection

Method and apparatus for charging lime into an electric arc furnace

Patents Applicationslast 30 patents

Cornerlock Having a Self Configurable First Body Member

THRESHOLD ASSEMBLY FOR AN ENTRYWAY SYSTEM

Frame Assembly Including a Cornerlock

Sill Assembly for a Threshold System and a Method of Producing the...

Threshold Assembly For An Entryway System

DOOR BOTTOM SYSTEM FOR AN ENTRYWAY SYSTEM

METHOD OF MANUFACTURING A FRAME ASSEMBLY HAVING STILE AND RAIL TABS...

FRAME ASSEMBLY HAVING STILE AND RAIL TABS FOR COUPLING STILE AND RA...

RETENTION ASSEMBLY FOR RETAINING A PANEL IN A WINDOW OR A DOOR

ENTRYWAY FOR DISPOSITION IN A DOOR OPENING OF A BUILDING

Astragal Boot

ENTRYWAY SYSTEM INCLUDING A THRESHOLD ASSEMBLY

RETRACTABLE SCREEN ASSEMBLY

SAND CATCHER FOR PRODUCTION OF STEEL AND OTHER METALS

Lock Block Assembly For An Astragal

SCREEN ASSEMBLY FOR A FRAME OPENING

Astragal boot

Retractable screen and frame assembly

Retention assembly for retaining a panel in a window or a door

Screen assembly having dimples formed in frame sections for retaini...

Sliding rail assembly for a sliding panel movable along a track

Adjustable threshold assembly

Screen assembly and method of attaching a screen cloth therein usin...

METHOD OF ASSEMBLING A FRAME ASSEMBLY FOR A PARTITION SYSTEM

Frame assembly and frame component for tensioning fabric about a pa...

Trademarklast 30 trademarks

77047114 - NITROBRITE

77029571 - NITROBRITE

78692355 - UNIVERSILL

76585480 - MACPLUS

76498025 - MACPRIME

75910774 - NITRO-100

75568597 - STORM SEAL

75322194 - QUANEX

74609251 - MACGOLD

74608735 - NITROSTEEL

74316703 - SEAM-FREE

74092639 - THE BEST ALLOY & SPECIALTY BARS

74009233 - MACSTEEL

73612819 - MAC+

73555155 - SEAM-FREE

73555156 - ULTRA-BAR

73298976 - MAC MACSTEEL-THE MIGHTY MITE