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USPTO Patent Rankings Data through Dec 31, 2025
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David A. Riley — 16 Patents

Abbott: 14 patents #436 of 5,509Top 8%
VCVista Chemical: 1 patents #16 of 46Top 35%
Waukegan, IL: #20 of 352 inventorsTop 6%
Illinois: #5,176 of 84,256 inventorsTop 7%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
David A. Riley has been granted 16 US patents while listed as an inventor at Abbott. The first was granted in 1986 and the most recent in September 2003. David A. Riley ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list David A. Riley in Waukegan, IL, US.

Patents per Year

Patents granted per year, 1986 to 2003Bar chart with a peak of 7 patents in 1999.peak 71986: 2 patents19861994: 1 patents19941995: 1 patents19951998: 2 patents19981999: 7 patents19992001: 1 patents20012002: 1 patents20022003: 1 patents2003

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6627743 6-O-methylerythromycin A crystal form III Jih-Hua Liu, Rodger F. Henry, Stephen G. Spanton 2003-09-30 $55,399,000
6437106 Process for preparing 6-o-substituted erythromycin derivatives Eric J. Stoner, Matthew Peterson, Yi-Yin Ku, Russell D. Cink, Arthur J. Cooper +16 more 2002-08-20 $78,594,000
6184376 Synthesis of acyclic nucleoside derivatives M. Robert Leanna, Steven M. Hannick, Michael Dolberg Rasmussen, Jien-Heh J. Tien, Lakshmi Bhagavatula +18 more 2001-02-06
5945405 Crystal form O of clarithromycin Stephen G. Spanton, Rodger F. Henry, Jih-Hua Liu 1999-08-31 $103,436,000
5932774 Processes for the preparation of D-chiro-inositol Ashok V. Bhatia, Steven A. Chamberlin, Gregg E. Robinson 1999-08-03 $55,582,000
5919916 6-O-alkyl derivatives of erythronolide B H. Eugene Gracey, Stephen H. Montgomery, Jih-Hua Liu 1999-07-06 $94,212,000
5905134 Process for the preparation of polyanhydrides John J. Hufnagel, Ashok V. Bhatia, Greg Robinson 1999-05-18 $214,740,000
5892008 Process for the preparation of 6-O-methyl erythromycin a using 9-hydroxy erythromycin derivatives Yi-Yin Ku, Elaine Chungmin Lee, Jien-Heh J. Tien 1999-04-06 $39,953,000
5864023 3'-N'oxide, 3'-n-dimethylamine, 9-oxime erythromycin a derivatives Yi-Yin Ku 1999-01-26 $100,526,000
5858986 Crystal form I of clarithromycin Jih-Hua Liu, Steven G. Spanton 1999-01-12 $48,494,000
5844105 Preparation of crystal form II of clarithromycin Jih-Hua Liu 1998-12-01 $55,715,000
5760198 "Process for preparation of 4""-deoxyerythromycins A and B" Shyamal I. Parekh, Alexandra E. Graham, Michael John Dipierro, Albert V. Thomas 1998-06-02 $82,024,000
5463142 Method for the preparation of D-chiro-inositol Steven A. Chamberlin, Ashok V. Bhatia 1995-10-31 $51,792,000
5352842 Process for clarifying alkoxylated alcohols Upali P. Weerasooriya, Steve V. Orsak, Clint Osborne, John Wei-Ping Lin, Mark Hellums +1 more 1994-10-04
4613589 D-manno-2-octulosonic acid derivatives, pharmaceutical compositions and method of use William Rosenbrook, Jr., Paul A. Lartey 1986-09-23 $24,597,000
4613590 Amino D-manno-2-octulopyranosidonate containing compounds, pharmaceutical compositions and method of use William Rosenbrook, Jr., Paul A. Lartey 1986-09-23 $24,597,000