Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Fred C. Eifert — 3 Patents

STStorage Technology: 3 patents #182 of 682Top 30%
Louisville, CO: #325 of 788 inventorsTop 45%
Colorado: #13,288 of 40,980 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Fred C. Eifert has been granted 3 US patents while listed as an inventor at Storage Technology. The first was granted in 1992 and the most recent in January 2003. Fred C. Eifert ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Fred C. Eifert in Louisville, CO, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6512651 Helical scan tape track following David A. Lawson, Thai Nguyen, Shiba P. Panda 2003-01-28 $32,227,000
6366422 Helical scan tape drive error recovery using track profile mapping David B. Daniel, Douglas C. Hansen, David A. Lawson, Thai Nguyen 2002-04-02 $13,774,000
5155845 Data storage system for providing redundant copies of data on different disk drives David G. Beal, Henry S. Ludlam, Charles A. Milligan, George A. Rudeseal, Paul R. Swiatek 1992-10-13 $4,400,000