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USPTO Patent Rankings Data through Dec 31, 2025
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Philip Edelstein — 2 Patents

PHPhibro-Tech: 2 patents #4 of 6Top 70%
Briarcliff Manor, NY: #126 of 223 inventorsTop 60%
New York: #49,169 of 115,490 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Philip Edelstein has been granted 2 US patents while listed as an inventor at Phibro-Tech. All of these patents were granted in 2002. Philip Edelstein ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Philip Edelstein in Briarcliff Manor, NY, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6484883 Use of cupric chloride in zinc flotation 2002-11-26
6375713 Use of cupric chloride etchant solution in a solvent extraction electrowinning copper refinery 2002-04-23