Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MH

Mark Hellums — 5 Patents

SASachem: 3 patents #8 of 39Top 25%
CVCondea Vista: 1 patents #11 of 34Top 35%
VCVista Chemical: 1 patents #16 of 46Top 35%
Austin, TX: #5,567 of 18,064 inventorsTop 35%
Texas: #28,633 of 125,132 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Mark Hellums has been granted 5 US patents while listed as an inventor at Sachem. The first was granted in 1994 and the most recent in February 2005. Mark Hellums ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Mark Hellums in Austin, TX, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6849688 Polymer grafted support polymers 2005-02-01
5968338 Process for recovering onium hydroxides from solutions containing onium compounds David R. Hulme, Roger Moulton, Wilfred W. Wilson 1999-10-19
5910237 Process for recovering organic hydroxides from waste solutions Roger Moulton 1999-06-08
5618436 Process for clarifying metal alkyls L. Ben Decker, Mark M. Chavez 1997-04-08
5352842 Process for clarifying alkoxylated alcohols Upali P. Weerasooriya, Steve V. Orsak, Clint Osborne, John Wei-Ping Lin, Linton LeCompte +1 more 1994-10-04