Douglas E. Nelson has been granted 4 US patents. The first was granted in 1999 and the most recent in March 2010. Douglas E. Nelson ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Douglas E. Nelson in Brea, CA, US.
Patents per Year Patents granted per year, 1999 to 2010 Bar chart with a peak of 1 patents in 1999. peak 1 1999: 1 patents 1999 2002: 1 patents 2002 2006: 1 patents 2006 2010: 1 patents 2010
Issued Patents All Time
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Showing 1–4 of 4 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7674439 Reactor distribution apparatus and quench zone mixing apparatus Garry E. Jacobs , Steven W. Stupin , Robert W. Kuskie , F. Emmett Bingham 2010-03-09
6984365 Reactor distribution apparatus and quench zone mixing apparatus Robert W. Kuskie , F. Emmet Bingham 2006-01-10
6338828 Reactor distribution apparatus and quench zone mixing apparatus Steven W. Stupin , Garry E. Jacobs , Robert W. Kuskie , F. Emmet Bingham 2002-01-15
$34,094,000
5989502 Reactor distribution apparatus and quench zone mixing apparatus Robert W. Kuskie , F. Emmett Bingham 1999-11-23