Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DV

Doug Vandervalk

SUSunlighten: 10 patents #2 of 21Top 10%
Overland Park, KS: #200 of 1,753 inventorsTop 15%
Kansas: #965 of 12,005 inventorsTop 9%
Overall (All Time): #515,070 of 4,157,543Top 15%
10 Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
D698033 Sauna Aaron Michael Zack, Jasen Sappenfield 2014-01-21
D687955 Sauna exterior Aaron Michael Zack, Jasen Sappenfield 2013-08-13
D685102 Sauna exterior Aaron Michael Zack, Jasen Sappenfield 2013-06-25
D676973 Sauna exterior Aaron Michael Zack, Jasen Sappenfield 2013-02-26
D676974 Sauna exterior Aaron Michael Zack, Jasen Sappenfield 2013-02-26
D676972 Sauna exterior Aaron Michael Zack, Jasen Sappenfield 2013-02-26
D676925 Sauna exterior Aaron Michael Zack, Jasen Sappenfield 2013-02-26
D663853 Sauna Aaron Michael Zack, Jasen Sappenfield 2012-07-17
D663854 French door sauna Aaron Michael Zack, Jasen Sappenfield 2012-07-17
D663855 Sauna exterior Aaron Michael Zack, Jasen Sappenfield 2012-07-17