Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RG

Ralph D. Gillespie

UOUop: 33 patents #79 of 1,854Top 5%
LALanzatech: 4 patents #7 of 73Top 10%
MRMilliken Research: 1 patents #151 of 275Top 55%
Skokie, IL: #13 of 674 inventorsTop 2%
Illinois: #1,346 of 84,256 inventorsTop 2%
Overall (All Time): #84,591 of 4,157,543Top 3%
38 Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
6214764 Paraffin-isomerization catalyst and process 2001-04-10
5837641 Method of promoting the activity of solid strong acid catalysts Christopher D. Gosling, Paul G. Blommel, Michelle J. Cohn, Jennifer S. Holmgren 1998-11-17
5763730 Process for alkane isomerization using reactive chromatography Hemant W. Dandekar, Gregory A. Funk, Herman A. Zinnen, Charles P. McGonegal, Masami Kojima +1 more 1998-06-09
5744684 Process for alkane isomerization using reactive chromatography and reactive desorbent Herman A. Zinnen, Charles P. McGonegal, Hemant W. Dandekar, Gregory A. Funk 1998-04-28
5744683 Process for continuous reaction and deparation using reactive chromatography Hemant W. Dandekar, Gregory A. Funk, Simon H. Hobbs, Masami Kojima, Herman A. Zinnen +1 more 1998-04-28
5593932 Process for sweetening a sour hydrocarbon fraction using a mixture of a supported metal chelate and a solid base Jeffery C. Bricker, Blaise J. Arena, Jennifer S. Holmgren 1997-01-14
5529967 Process for sweetening a sour hydrocarbon fraction using a supported metal chelate and a solid base Jeffery C. Bricker, Blaise J. Arena, Jennifer S. Holmgren 1996-06-25
5470486 Conversion of water-soluble inorganic sulfide compounds in an aqueous stream 1995-11-28
5413701 Process for sweetening a sour hydrocarbon fraction using a supported metal chelate and a solid base Jeffery C. Bricker, Blaise J. Arena, Jennifer S. Holmgren 1995-05-09
5413704 Process for sweetening a sour hydrocarbon fraction using a mixture of a supported metal chelate and a solid base Jeffery C. Bricker, Blaise J. Arena, Jennifer S. Holmgren 1995-05-09
5389240 Naphthenic acid removal as an adjunct to liquid hydrocarbon sweetening Blaise J. Arena 1995-02-14
5340465 Use of a metal oxide solid solution for sweetening a sour hydrocarbon fraction Jennifer S. Holmgren 1994-08-23
4393114 Meat packaging material 1983-07-12