John Liu

Person

Lower Burrell, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Aluminum alloy products having improved property combinations and m...
- Patent number 10,450,640
- Issue date Oct 22, 2019
- Arconic Inc.
- Dhruba J. Chakrabarti
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Metal sheets and plates having friction-reducing textured surfaces...
- Patent number 9,297,394
- Issue date Mar 29, 2016
- Alcoa Inc.
- Ming Li
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Methods of structural health monitoring using metal bodies containi...
- Patent number 8,756,815
- Issue date Jun 24, 2014
- Alcoa Inc.
- Hasso Weiland
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Metal sheets and plates having friction-reducing textured surfaces...
- Patent number 8,578,747
- Issue date Nov 12, 2013
- Alcoa Inc.
- Ming Li
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Aluminum alloy products having improved property combinations and m...
- Patent number 8,524,014
- Issue date Sep 3, 2013
- Alcoa Inc.
- Dhruba J. Chakrabarti
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metal sheets and plates having friction-reducing textured surfaces...
- Patent number 8,444,092
- Issue date May 21, 2013
- Alcoa Inc.
- Ming Li
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Metal bodies containing microcavities and apparatus and methods rel...
- Patent number 8,298,682
- Issue date Oct 30, 2012
- Alcoa Inc.
- Hasso Weiland
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Aluminum alloy products having improved property combinations and m...
- Patent number 8,083,870
- Issue date Dec 27, 2011
- Alcoa Inc.
- Dhruba J. Chakrabarti
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum alloy products having improved property combinations and m...
- Patent number 7,678,205
- Issue date Mar 16, 2010
- Alcoa Inc.
- Dhruba J. Chakrabarti
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum alloy product having improved combinations of properties
- Patent number 7,097,719
- Issue date Aug 29, 2006
- Alcoa Inc.
- Gary H. Bray
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum alloy products having improved property combinations and m...
- Patent number 6,972,110
- Issue date Dec 6, 2005
- Alcoa Inc.
- Dhruba J. Chakrabarti
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum alloy extrusions having a substantially unrecrystallized s...
- Patent number 6,918,975
- Issue date Jul 19, 2005
- Alcoa Inc.
- John Liu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High toughness plate alloy for aerospace applications
- Patent number 6,576,071
- Issue date Jun 10, 2003
- Alcoa Inc.
- John Liu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High toughness plate alloy for aerospace applications
- Patent number 6,444,058
- Issue date Sep 3, 2002
- Alcoa Inc.
- John Liu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum alloy extrusions having a substantially unrecrystallized s...
- Patent number 6,325,869
- Issue date Dec 4, 2001
- Alcoa Inc.
- John Liu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum alloy products suited for commercial jet aircraft wing mem...
- Patent number 5,865,911
- Issue date Feb 2, 1999
- Aluminum Company of America
- Shelly M. Miyasato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for making an aerospace structural member
- Patent number 5,865,914
- Issue date Feb 2, 1999
- Aluminum Company of America
- Lynette M. Karabin
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum alloy products suited for commercial jet aircraft wing mem...
- Patent number 5,863,359
- Issue date Jan 26, 1999
- Aluminum Company of America
- Lynette M. Karabin
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum alloy sheet for food and beverage containers
- Patent number 5,192,378
- Issue date Mar 9, 1993
- Aluminum Company of America
- Roger D. Doherty
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Heat treatment of precipitation hardening alloys
- Patent number 5,108,520
- Issue date Apr 28, 1992
- Aluminum Company of America
- John Liu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of producing unrecrystallized aluminum products by heat trea...
- Patent number 5,061,327
- Issue date Oct 29, 1991
- Aluminum Company of America
- Diana K. Denzer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum alloy product having improved combinations of strength and...
- Patent number 4,863,528
- Issue date Sep 5, 1989
- Aluminum Company of America
- Melvin H. Brown
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metal working method
- Patent number 4,659,396
- Issue date Apr 21, 1987
- Aluminum Company of America
- Bernard W. Lifka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
METAL SHEETS AND PLATES HAVING FRICTION-REDUCING TEXTURED SURFACES...
- Publication number 20140248453
- Publication date Sep 4, 2014
- ALCOA INC.
- Ming Li
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ALUMINUM ALLOY PRODUCTS HAVING IMPROVED PROPERTY COMBINATIONS AND M...
- Publication number 20130312877
- Publication date Nov 28, 2013
- ALCOA INC.
- Dhruba J. Chakrabarti
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METAL BODIES CONTAINING MICROCAVITIES AND APPARATUS AND METHODS REL...
- Publication number 20130000123
- Publication date Jan 3, 2013
- ALCOA INC.
- Hasso Weiland
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METAL SHEETS AND PLATES HAVING FRICTION-REDUCING TEXTURED SURFACES...
- Publication number 20120227453
- Publication date Sep 13, 2012
- ALCOA INC.
- Ming Li
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ALUMINUM ALLOY PRODUCTS HAVING IMPROVED PROPERTY COMBINATIONS AND M...
- Publication number 20110268603
- Publication date Nov 3, 2011
- ALCOA INC.
- Dhruba J. Chakrabarti
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METAL SHEETS AND PLATES HAVING FRICTION-REDUCING TEXTURED SURFACES...
- Publication number 20100127125
- Publication date May 27, 2010
- Ming Li
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METAL BODIES CONTAINING MICROCAVITIES AND APPARATUS AND METHODS REL...
- Publication number 20090011272
- Publication date Jan 8, 2009
- Alcoa Inc.
- Hasso Weiland
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Aluminum alloy products having improved property combinations and m...
- Publication number 20060083654
- Publication date Apr 20, 2006
- Alcoa Inc.
- Dhruba J. Chakrabarti
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for increasing the strength and/or corrosion resistance of 7...
- Publication number 20050269000
- Publication date Dec 8, 2005
- Diana K. Denzer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Aluminum alloy products having improved property combinations and m...
- Publication number 20050257865
- Publication date Nov 24, 2005
- Dhruba J. Chakrabarti
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Aluminum alloy products having improved property combinations and m...
- Publication number 20050150579
- Publication date Jul 14, 2005
- Dhruba J. Chakrabarti
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Aluminum alloy product having improved combinations of properties
- Publication number 20040136862
- Publication date Jul 15, 2004
- Gary H. Bray
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for increasing the strength and/or corrosion resistance of 7...
- Publication number 20030051784
- Publication date Mar 20, 2003
- Diana K. Denzer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Aluminum alloy having superior strength-toughness combinations in t...
- Publication number 20020150498
- Publication date Oct 17, 2002
- Dhruba J. Chakrabarti
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Aluminum alloy products having improved property combinations and m...
- Publication number 20020121319
- Publication date Sep 5, 2002
- Dhruba J. Chakrabarti
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
High toughness plate alloy for aerospace applications
- Publication number 20020079027
- Publication date Jun 27, 2002
- John Liu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Aluminum alloy extrusions having a substantially unrecrystallized s...
- Publication number 20010020501
- Publication date Sep 13, 2001
- John Liu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Person

Patents Grantslast 30 patents

Aluminum alloy products having improved property combinations and m...

Metal sheets and plates having friction-reducing textured surfaces...

Methods of structural health monitoring using metal bodies containi...

Metal sheets and plates having friction-reducing textured surfaces...

Aluminum alloy products having improved property combinations and m...

Metal sheets and plates having friction-reducing textured surfaces...

Metal bodies containing microcavities and apparatus and methods rel...

Aluminum alloy products having improved property combinations and m...

Aluminum alloy products having improved property combinations and m...

Aluminum alloy product having improved combinations of properties

Aluminum alloy products having improved property combinations and m...

Aluminum alloy extrusions having a substantially unrecrystallized s...

High toughness plate alloy for aerospace applications

High toughness plate alloy for aerospace applications

Aluminum alloy extrusions having a substantially unrecrystallized s...

Aluminum alloy products suited for commercial jet aircraft wing mem...

Method for making an aerospace structural member

Aluminum alloy products suited for commercial jet aircraft wing mem...

Aluminum alloy sheet for food and beverage containers

Heat treatment of precipitation hardening alloys

Method of producing unrecrystallized aluminum products by heat trea...

Aluminum alloy product having improved combinations of strength and...

Metal working method

Patents Applicationslast 30 patents

METAL SHEETS AND PLATES HAVING FRICTION-REDUCING TEXTURED SURFACES...

ALUMINUM ALLOY PRODUCTS HAVING IMPROVED PROPERTY COMBINATIONS AND M...

METAL BODIES CONTAINING MICROCAVITIES AND APPARATUS AND METHODS REL...

METAL SHEETS AND PLATES HAVING FRICTION-REDUCING TEXTURED SURFACES...

ALUMINUM ALLOY PRODUCTS HAVING IMPROVED PROPERTY COMBINATIONS AND M...

METAL SHEETS AND PLATES HAVING FRICTION-REDUCING TEXTURED SURFACES...

METAL BODIES CONTAINING MICROCAVITIES AND APPARATUS AND METHODS REL...

Aluminum alloy products having improved property combinations and m...

Method for increasing the strength and/or corrosion resistance of 7...

Aluminum alloy products having improved property combinations and m...

Aluminum alloy products having improved property combinations and m...

Aluminum alloy product having improved combinations of properties

Method for increasing the strength and/or corrosion resistance of 7...

Aluminum alloy having superior strength-toughness combinations in t...

Aluminum alloy products having improved property combinations and m...

High toughness plate alloy for aerospace applications

Aluminum alloy extrusions having a substantially unrecrystallized s...