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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles E. Van Druff — 8 Patents

CFConax Florida: 3 patents #6 of 32Top 20%
HCH. Koch & Sons Co.: 3 patents #1 of 20Top 5%
MIMillenworks: 1 patents #10 of 14Top 75%
Lake Forest, CA: #211 of 1,030 inventorsTop 25%
California: #74,834 of 386,348 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Charles E. Van Druff has been granted 8 US patents while listed as an inventor at Conax Florida. The first was granted in 2002 and the most recent in December 2012. Charles E. Van Druff ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Charles E. Van Druff in Lake Forest, CA, US.

Patents per Year

Patents granted per year, 2002 to 2012Bar chart with a peak of 2 patents in 2008.peak 22002: 1 patents20022005: 1 patents20052008: 2 patents20082010: 2 patents20102012: 2 patents2012

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8328166 Restraint system Matthew Michael O'Brien, Christopher Culbertson, Colin Godby, Stephen M. King, Grant R. McCloud 2012-12-11
8276942 Combat vehicle restraint system John Eric Churilla, Eric Kawabata 2012-10-02
7722081 Combat vehicle restraint system John Eric Churilla, Eric Kawabata 2010-05-25
7681953 Adjustable articulating crew seat Daniel H. Meggs, John Eric Churilla 2010-03-23
7418879 Latching inertial reel James C. Warrick, Alex Devonport, John Eric Churilla 2008-09-02
7413247 Occupant retraction system Christopher Culbertson, Mark W. Emory, Mark Forster 2008-08-19
6930611 Water activated release triggering mechanism Douglas G. Scheid 2005-08-16
6367882 Slip-retarding upper torso restraint harness and system Michael Duran 2002-04-09