Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David M. Clack — 7 Patents

CTClack Technologies: 6 patents #1 of 3Top 35%
Kansas City, KS: #20 of 266 inventorsTop 8%
Kansas: #1,492 of 12,005 inventorsTop 15%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
David M. Clack has been granted 7 US patents while listed as an inventor at Clack Technologies. The first was granted in 2008 and the most recent in March 2015. David M. Clack ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list David M. Clack in Kansas City, KS, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8991364 Apparatus for improving efficiency and emissions of combustion 2015-03-31
8485163 Apparatus for improving efficiency and emissions of combustion 2013-07-16
8136510 Apparatus for improving efficiency and emissions of combustion 2012-03-20
8079347 Apparatus for improving efficiency and emissions of combustion 2011-12-20
8028682 Apparatus for improving efficiency and emissions of combustion with perpendicular ozone elements 2011-10-04
7798133 Apparatus for improving efficiency and emissions of combustion 2010-09-21
7341049 Apparatus for improving efficiency and emissions of combustion 2008-03-11