Mark S. Chalmers has been granted 4 US patents while listed as an inventor at Urtek . The first was granted in 2012 and the most recent in December 2015. Mark S. Chalmers ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Mark S. Chalmers in Littlehampton, AU.
Patents per Year Patents granted per year, 2012 to 2015 Bar chart with a peak of 2 patents in 2014. peak 2 2012: 1 patents 2012 2014: 2 patents 2014 2015: 1 patents 2015
Issued Patents All Time
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Showing 1–4 of 4 patents
Patent # Title Co-Inventors Date
9217189 Extraction of uranium from wet-process phosphoric acid James Andrew Davidson , Bryn Llywelyn Jones , Paul Robert Kucera , Peter Douglas Macintosh , Jessica Mary Page +3 more 2015-12-22
8703077 Extraction of uranium from wet-process phosphoric acid James Andrew Davidson , Bryn Llywelyn Jones , Paul Robert Kucera , Peter Douglas Macintosh , Jessica Mary Page +3 more 2014-04-22
8685349 Extraction of uranium from wet-process phosphoric acid Nicholas Warwick Bristow , James Andrew Davidson , Bryn Llywelyn Jones , Paul Robert Kucera , Nick Lynn +7 more 2014-04-01
8226910 Extraction of uranium from wet-process phosphoric acid Nicholas Warwick Bristow , James Andrew Davidson , Bryn Llywelyn Jones , Paul Robert Kucera , Nick Lynn +7 more 2012-07-24