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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John E. Phifer — 2 Patents

MRMilliken Research: 1 patents #151 of 275Top 55%
NCNational Distillers And Chemical: 1 patents #65 of 115Top 60%
Woodruff, SC: #17 of 48 inventorsTop 40%
South Carolina: #5,837 of 15,501 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John E. Phifer has been granted 2 US patents while listed as an inventor at Milliken Research. The first was granted in 1986 and the most recent in March 1987. John E. Phifer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John E. Phifer in Woodruff, SC, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4653765 Drum truck Robert L. Smalley 1987-03-31
4624793 Fiber finishes Charles R. Tucker, Roger H. Garst 1986-11-25 $9,121,000