Inventor · disambiguated record
John Liu
Also filed as: LIU JOHN · LIU JOHN M
28 granted patents·4 pending applications·858 citations·filing 1984–2013
97Inventor score
Top patents by PatentIndex Score
32 records- 0197US6972110B2Aluminum alloy products having improved property combinations and method for artificially aging sameALCOA INC·Filed 2001·Granted Dec 6, 2005·84 cites·128 claims
- 0296US9297394B2Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing sameALCOA INC·Filed 2013·Granted Mar 29, 2016·12 cites·22 claims
- 0393US5865911AAluminum alloy products suited for commercial jet aircraft wing membersALUMINUM CO OF AMERICA·Filed 1995·Granted Feb 2, 1999·110 cites·46 claims
- 0492US8444092B2Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing sameLI MING·Filed 2009·Granted May 21, 2013·27 cites·42 claims
- 0592US5865914AMethod for making an aerospace structural memberALUMINUM CO OF AMERICA·Filed 1997·Granted Feb 2, 1999·64 cites·26 claims
- 0691US7678205B2Aluminum alloy products having improved property combinations and method for artificially aging sameALCOA INC·Filed 2005·Granted Mar 16, 2010·7 cites·24 claims
- 0791US5108520AHeat treatment of precipitation hardening alloysALUMINUM CO OF AMERICA·Filed 1989·Granted Apr 28, 1992·91 cites·54 claims
- 0890US5863359AAluminum alloy products suited for commercial jet aircraft wing membersALUMINUM CO OF AMERICA·Filed 1995·Granted Jan 26, 1999·53 cites·34 claims
- 0989US4863528AAluminum alloy product having improved combinations of strength and corrosion resistance properties and method for producing the sameALUMINUM CO OF AMERICA·Filed 1987·Granted Sep 5, 1989·61 cites·133 claims
- 1088US8578747B2Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing sameLI MING·Filed 2012·Granted Nov 12, 2013·12 cites·29 claims
- 1188US7097719B2Aluminum alloy product having improved combinations of propertiesALCOA INC·Filed 2003·Granted Aug 29, 2006·28 cites·7 claims
- 1287US10450640B2Aluminum alloy products having improved property combinations and method for artificially aging sameALCOA INC·Filed 2013·Granted Oct 22, 2019·2 cites·14 claims
- 1384US8524014B2Aluminum alloy products having improved property combinations and method for artificially aging sameCHAKRABARTI DHRUBA J·Filed 2011·Granted Sep 3, 2013·2 cites·25 claims
- 1483US5859535ASystem for determining size and location of defects in material by use of microwave radiationUS NAVY·Filed 1997·Granted Jan 12, 1999·63 cites·8 claims
- 1583US5278498ASurface conforming flexible eddy current probe for scanning varying surface contoursUS ARMY·Filed 1992·Granted Jan 11, 1994·53 cites·16 claims
- 1683US5192378AAluminum alloy sheet for food and beverage containersALUMINUM CO OF AMERICA·Filed 1990·Granted Mar 9, 1993·34 cites·42 claims
- 1781US6444058B1High toughness plate alloy for aerospace applicationsALCOA INC·Filed 1998·Granted Sep 3, 2002·38 cites·40 claims
- 1881US5061327AMethod of producing unrecrystallized aluminum products by heat treating and further workingALUMINUM CO OF AMERICA·Filed 1990·Granted Oct 29, 1991·37 cites·49 claims
- 1976US8083870B2Aluminum alloy products having improved property combinations and method for artificially aging sameCHAKRABARTI DHRUBA J·Filed 2005·Granted Dec 27, 2011·2 cites·19 claims
- 2076US6411105B1Nondestructive detection of steel surface corrosionUS NAVY·Filed 2000·Granted Jun 25, 2002·13 cites·5 claims
- 2176US6325869B1Aluminum alloy extrusions having a substantially unrecrystallized structureALCOA INC·Filed 1999·Granted Dec 4, 2001·23 cites·16 claims
- 2269US8298682B2Metal bodies containing microcavities and apparatus and methods relating theretoWEILAND HASSO·Filed 2008·Granted Oct 30, 2012·2 cites·11 claims
- 2369US6918975B2Aluminum alloy extrusions having a substantially unrecrystallized structureALCOA INC·Filed 2001·Granted Jul 19, 2005·5 cites·12 claims
- 2462US4659396AMetal working methodALUMINUM CO OF AMERICA·Filed 1984·Granted Apr 21, 1987·12 cites·21 claims
- 2556US6172510B1System for detection of flaws by use of microwave radiationUNITED SATES OF AMERICA AS REP·Filed 1998·Granted Jan 9, 2001·19 cites·8 claims
- 2655US2005150579A1Aluminum alloy products having improved property combinations and method for artificially aging sameFiled 2005·Application pending·0 cites
- 2754US6576071B2High toughness plate alloy for aerospace applicationsALCOA INC·Filed 2002·Granted Jun 10, 2003·1 cites·40 claims
- 2847US8756815B2Methods of structural health monitoring using metal bodies containing microcavitiesWEILAND HASSO·Filed 2012·Granted Jun 24, 2014·0 cites·10 claims
- 2947US2005269000A1Method for increasing the strength and/or corrosion resistance of 7000 Series AI aerospace alloy productsDENZER DIANA K·Filed 2004·Application pending·0 cites
- 3041US2003051784A1Method for increasing the strength and/or corrosion resistance of 7000 series Al aerospace alloy productsFiled 2002·Application pending·0 cites
- 3138US2002150498A1Aluminum alloy having superior strength-toughness combinations in thick gaugesFiled 2001·Application pending·0 cites
- 3229USRE36979ESurface conforming flexible eddy current probe for scanning varying surface contoursUS NAVY·Filed 1995·Granted Dec 5, 2000·3 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when John Liu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →