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USPTO Patent Rankings Data through Dec 31, 2025
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Ralph E. Dufresne — 7 Patents

The Boeing: 7 patents #1,625 of 15,756Top 15%
Auburn, WA: #67 of 480 inventorsTop 15%
Washington: #14,787 of 76,902 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Ralph E. Dufresne has been granted 7 US patents while listed as an inventor at The Boeing. The first was granted in 1987 and the most recent in May 2014. Ralph E. Dufresne ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Ralph E. Dufresne in Auburn, WA, US.

Patents per Year

Patents granted per year, 1987 to 2014Bar chart with a peak of 3 patents in 2011.peak 31987: 1 patents19872010: 2 patents20102011: 3 patents20112014: 1 patents2014

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8728245 Gelled adhesive remover composition and method of use William M. Egan 2014-05-20 $19,134,000
7977294 Gelled adhesive remover composition and method of use William M. Egan 2011-07-12 $13,605,000
7934676 Pre-fabricated article for EME protection of an aircraft David F. Feider, Quynhgiao N. Le 2011-05-03 $22,092,000
7883050 Composites with integrated multi-functional circuits Quynhgiao N. Le, David F. Feider 2011-02-08 $33,004,000
7829796 Circuit joining assembly materials for multi-layer lightning protection systems on composite aircraft David F. Feider, Quynhgiao N. Le 2010-11-09 $17,907,000
7759298 Thickened composition and method for removing adhesive residue James F. Kirchner, David F. Feider 2010-07-20 $30,762,000
4662975 Apparatus for determining the etch rate of nonconductive materials Douglas A. Brauns 1987-05-05 $9,241,000