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USPTO Patent Rankings Data through Dec 31, 2025
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Paul E. Ringbloom — 2 Patents

ALAlcoa: 1 patents #301 of 632Top 50%
AAAluminum Company Of America: 1 patents #495 of 1,017Top 50%
Murrysville, PA: #283 of 521 inventorsTop 55%
Pennsylvania: #30,766 of 74,527 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Paul E. Ringbloom has been granted 2 US patents while listed as an inventor at Alcoa. The first was granted in 1992 and the most recent in July 2001. Paul E. Ringbloom ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Paul E. Ringbloom in Murrysville, PA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6260398 Forming of hollow extrusions with double plane bends and twists Larry W. Cisko, Blair T. Allison, William A. P. Graham 2001-07-17 $366,433,000
5133401 Continuous casting machine with mold block assemblies interlinked by elastic hinges Lawrence W. Cisko, Ronald Bachowski, Joshua Liu, Michael M. Mohajery, S. John Pien +2 more 1992-07-28 $39,477,000