Lewis W. Ward has been granted 8 US patents while listed as an inventor at Span Tech . The first was granted in 2007 and the most recent in May 2017. Lewis W. Ward ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Lewis W. Ward in Glasgow, KY, US.
Patents per Year Patents granted per year, 2007 to 2017 Bar chart with a peak of 2 patents in 2010. peak 2 2007: 1 patents 2007 2010: 2 patents 2010 2012: 1 patents 2012 2014: 1 patents 2014 2016: 1 patents 2016 2017: 2 patents 2017
Issued Patents All Time
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Showing 1–8 of 8 patents
Patent # Title Co-Inventors Date
9650211 Conveyor with enhanced cleaning capability James L. Layne , Scott Dayton Barbour 2017-05-16
9604258 Sortation systems and related methods James L. Layne , Brian Thomas , Steve C. Fye , Ervin Puskar 2017-03-28
9340362 Conveyor with improved cleaning capabilities James L. Layne , B. Keith Thomas , Scott Dayton Barbour 2016-05-17
8727109 Modular link conveyor drive arrangements James L. Layne , B. Keith Thomas , Michael Seiler , Stephen C. Fye 2014-05-20
D658842 Spiral conveyor frame James L. Layne , B. Keith Thomas , Stephen C. Fye 2012-05-01
7841462 Side-flexing conveyor chain with pivoting slats and related methods James L. Layne , B. Keith Thomas , Mark Russell 2010-11-30
7690496 High speed switch for a diverter conveyor, related article diverter, and related methods Stephen C. Fye , B. Keith Thomas , Ashok Anumula 2010-04-06
7308979 Self-tensioning conveyor with slave drive James L. Layne , Michael D. McDaniel , Stephen C. Fye , B. Keith Thomas 2007-12-18