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USPTO Patent Rankings Data through Dec 31, 2025
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Derek McManus — 12 Patents

ATAri Technologies: 4 patents #2 of 10Top 20%
MEMerichem: 2 patents #27 of 53Top 55%
Palatine, IL: #146 of 1,176 inventorsTop 15%
Illinois: #7,339 of 84,256 inventorsTop 9%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Derek McManus has been granted 12 US patents while listed as an inventor at Ari Technologies. The first was granted in 1986 and the most recent in March 2008. Derek McManus ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Derek McManus in Palatine, IL, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7344682 Oxidizer and oxidation process for a desulphurization process Gary J. Nagl, Myron Reicher 2008-03-18
7279148 Oxidizer and oxidation process for a desulphurization process Gary J. Nagl, Myron Reicher 2007-10-09
7226883 Oxidizer and oxidation process for a desulphurization process Gary J. Nagl, Myron Reicher 2007-06-05
6083472 Method for continuously producing thiosulfate ions Gary J. Nagl, Myron Reicher, Barry Ferm 2000-07-04
5808072 Pyridine-based compounds, especially phosphonates Arthur E. Martell, Dian Chen 1998-09-15
5698172 Oxidation-reduction process Myron Reicher, Barret A. Ferm 1997-12-16
5686613 Tridentate metal ligands of certain pyridine phosphonic acids Arthur E. Martell, Dian Chen 1997-11-11
5591419 Oxidation-reduction process Arthur E. Martell, Dian Chen 1997-01-07
5215728 Method and apparatus for removal of h2s from a process gas, including thiosulfate and/or cyanide salt decomposition 1993-06-01
5167940 Process and apparatus for removal of H.sub.2 S from a process gas including polyvalent metal removal and decomposition of salts and complexes 1992-12-01
5126297 Method of making a metal phthalocyanine catalyst Leslie C. Hardison, Edward J. Dowd 1992-06-30
4622212 Hydrogen sulfide removal Frederick R. Kin 1986-11-11 $128,613,000