Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Cranfill — 5 Patents

Basf Se: 3 patents #4,656 of 13,826Top 35%
BGBasf Coatings Gmbh: 2 patents #234 of 799Top 30%
Iron River, MI: #70 of 361 inventorsTop 20%
Michigan: #18,552 of 86,293 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David Cranfill has been granted 5 US patents while listed as an inventor at Basf Se. The first was granted in 2012 and the most recent in February 2014. David Cranfill ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David Cranfill in Iron River, MI, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8652578 Method of forming a cured coating composition on an automobile component Keith E. Gutowski 2014-02-18
8653183 Method of curing a coating composition comprising a radical curable compound and an organoborane-amine complex Keith E. Gutowski, Walter H. Ohrbom, Donald H. Campbell 2014-02-18
8647716 Method of dissociating an organoborane-amine complex Keith E. Gutowski 2014-02-11
8629231 Methods of making oligomers, coating compositions containing them, and coated articles Nicholas Caiozzo, Walter H. Ohrbom 2014-01-14
8293836 Curable coating composition containing a compound having a uretdione group and a different functional group and cured coatings Walter H. Ohrbom, Patrick J. Mormile 2012-10-23