JL

John Liu

AL Alcoa: 14 patents #12 of 632Top 2%
AA Aluminum Company Of America: 8 patents #55 of 1,017Top 6%
UF US Air Force: 4 patents #1,661 of 16,312Top 15%
AR Arconic: 1 patents #83 of 180Top 50%
📍 Murrysville, PA: #17 of 521 inventorsTop 4%
🗺 Pennsylvania: #2,031 of 74,527 inventorsTop 3%
Overall (All Time): #139,136 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
5061327 Method of producing unrecrystallized aluminum products by heat treating and further working Diana K. Denzer 1991-10-29
4863528 Aluminum alloy product having improved combinations of strength and corrosion resistance properties and method for producing the same Melvin H. Brown, James T. Staley, Sootae Lee 1989-09-05
4659396 Metal working method Bernard W. Lifka, Roger D. Doherty 1987-04-21