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Jonathan Dorricott
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Davenport, IA, US
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Patents Grants
last 30 patents
Information
Patent Grant
High-strength micro-alloy steel
Patent number
7,220,325
Issue date
May 22, 2007
IPSCO Enterprises, Inc.
Dengqi Bai
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for making high strength micro-alloy steel
Patent number
6,682,613
Issue date
Jan 27, 2004
Ipsco Enterprises Inc.
Dengqi Bai
C21 - METALLURGY OF IRON
Information
Patent Grant
Differential quench method and apparatus
Patent number
6,557,622
Issue date
May 6, 2003
IPSCO Enterprises Inc.
William R. Frank
C21 - METALLURGY OF IRON
Information
Patent Grant
Controllable variable magnetic field apparatus for flow control of...
Patent number
6,502,627
Issue date
Jan 7, 2003
IPSCO Enterprises Inc.
William R. Frank
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Differential quench method and apparatus
Patent number
6,374,901
Issue date
Apr 23, 2002
IPSCO Enterprises Inc.
William R. Frank
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Controllable variable magnetic field apparatus for flow control of...
Patent number
6,341,642
Issue date
Jan 29, 2002
IPSCO Enterprises Inc.
William R. Frank
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Steckel mill/on-line controlled cooling combination
Patent number
6,309,482
Issue date
Oct 30, 2001
Jonathan Dorricott
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of producing martensite-or bainite-rich steel using steckel...
Patent number
6,264,767
Issue date
Jul 24, 2001
IPSCO Enterprises Inc.
William R. Frank
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Controllable variable magnetic field apparatus for flow control of...
Patent number
6,006,822
Issue date
Dec 28, 1999
IPSCO Enterprises Inc.
William R. Frank
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Plant capacity of optimizing method for use with Steckel mill
Patent number
5,924,318
Issue date
Jul 20, 1999
IPSCO Enterprises Inc.
Jonathan Dorricott
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steckel mill/on-line accelerated cooling combination
Patent number
5,810,951
Issue date
Sep 22, 1998
IPSCO Enterprises Inc.
Jonathan Dorricott
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Plant capacity optimizing method for use with steckel mill
Patent number
5,706,688
Issue date
Jan 13, 1998
IPSCO Enterprises Inc.
Jonathan Dorricott
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
High-strength micro-alloy steel
Publication number
20040101432
Publication date
May 27, 2004
IPSCO Enterprises Inc.
Dengqi Bai
C21 - METALLURGY OF IRON
Information
Patent Application
High-strength micro-alloy steel and process for making same
Publication number
20030190251
Publication date
Oct 9, 2003
IPSCO Enterprises Inc.
Dengqi Bai
C21 - METALLURGY OF IRON
Information
Patent Application
Differential quench method and apparatus
Publication number
20020129921
Publication date
Sep 19, 2002
William R. Frank
C21 - METALLURGY OF IRON
Information
Patent Application
Method and apparatus for producing steel
Publication number
20020104597
Publication date
Aug 8, 2002
Ipsco Enterprises Inc.
William R. Frank
C21 - METALLURGY OF IRON
Information
Patent Application
Controllable variable magnetic field apparatus for flow control of...
Publication number
20020074103
Publication date
Jun 20, 2002
Ipsco Enterprises Inc.
William R. Frank
B22 - CASTING POWDER METALLURGY