Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Darrell Wilczynski — 2 Patents

IEItt Manufacturing Enterprises: 1 patents #577 of 1,404Top 45%
ITItt: 1 patents #436 of 721Top 65%
Oxford, MI: #175 of 390 inventorsTop 45%
Michigan: #35,377 of 86,293 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Darrell Wilczynski has been granted 2 US patents while listed as an inventor at Itt. The first was granted in 1995 and the most recent in October 2004. Darrell Wilczynski ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Darrell Wilczynski in Oxford, MI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6805383 Fluid quick connector with secure electrical contact James E. Ostrander, Rick Kelley, George Szabo, Kevin Kreiner 2004-10-19 $6,811,000
5456500 Recessed pop-top insertion indicator Gary Klinger, Anthony K. Carman, Rick Kelley 1995-10-10 $19,989,000