Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Dean L. Schaffran — 4 Patents

GRGraco: 2 patents #40 of 149Top 30%
MAMaytag: 2 patents #245 of 601Top 45%
Carol Stream, IL: #87 of 346 inventorsTop 30%
Illinois: #21,640 of 84,256 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Dean L. Schaffran has been granted 4 US patents while listed as an inventor at Graco. The first was granted in 1985 and the most recent in November 2006. Dean L. Schaffran ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Dean L. Schaffran in Carol Stream, IL, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7137211 Drying cabinet shaker mechanism Troy A. Johnson 2006-11-21
6922913 Volatilizable media holder for a laundry dryer Lisa June Hood, Troy A. Johnson, Joseph M. Keeler, Paul E. Maass, Jeffrey D. Rupe +2 more 2005-08-02 $8,727,000
5292232 Liquid pump pressure control system Duane D. Krohn 1994-03-08 $1,215,000
4505405 Proportional pumping system Lawrence S. Kelly, Donald S. Nii 1985-03-19 $713,000