Steven Roberts has been granted 4 US patents while listed as an inventor at Clextral . The first was granted in 2004 and the most recent in February 2020. Steven Roberts ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Steven Roberts in Severance, CO, US.
Patents per Year Patents granted per year, 2004 to 2020 Bar chart with a peak of 1 patents in 2004. peak 1 2004: 1 patents 2004 2007: 1 patents 2007 2012: 1 patents 2012 2020: 1 patents 2020
Issued Patents All Time
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Showing 1–4 of 4 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
10568346 Method and equipment for the continuous production of a porous powdered product Daniel Durand , Jean-Marie Bouvier , Gilles Maller , Scott A. Maxwell , Stewart Stevenson +1 more 2020-02-25
8268378 Method of preparing a powdered product Daniel Durand , Jean-Marie Bouvier , Gilles Maller , Maxwell Scott , Stewart Stevenson 2012-09-18
7192505 Wafer probe for measuring plasma and surface characteristics in plasma processing environments Gregory A. Roche , Leonard Mahoney , Daniel Carter 2007-03-20
6830650 Wafer probe for measuring plasma and surface characteristics in plasma processing environments Gregory A. Roche , Leonard Mahoney , Daniel Carter 2004-12-14
$3,730,000