Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Daniel P. O'Keefe — 30 Patents

EAE.I. Du Pont De Nemours And: 23 patents #317 of 12,129Top 3%
Swarthmore, PA: #7 of 189 inventorsTop 4%
Pennsylvania: #1,846 of 74,527 inventorsTop 3%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
Daniel P. O'Keefe has been granted 30 US patents. The first was granted in 1993 and the most recent in April 2018. Daniel P. O'Keefe ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list Daniel P. O'Keefe in Swarthmore, PA, US.

Patents per Year

Patents granted per year, 1993 to 2018Bar chart with a peak of 4 patents in 2011.peak 41993: 1 patents19931994: 1 patents1999: 1 patents19992000: 3 patents2001: 2 patents20012006: 1 patents2007: 1 patents20072008: 2 patents2009: 2 patents20092010: 3 patents2011: 4 patents20112012: 1 patents2014: 2 patents20142015: 1 patents2016: 4 patents20162018: 1 patents2018

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9944954 Glycerol 3-phosphate dehydrogenase for butanol production Ritu Bhalla, Gopal K. Chotani, Michael Dauner, Mark J. Nelson, Caroline M. Peres +2 more 2018-04-17
9441250 Glycerol 3- phosphate dehydrogenase for butanol production Ritu Bhalla, Gopal K. Chotani, Michael Dauner, Mark J. Nelson, Caroline M. Peres +2 more 2016-09-13
9410166 Alcohol dehydrogenases (ADH) useful for fermentive production of lower alkyl alcohols Sriram Satagopan, Janardhan Gude 2016-08-09
9388392 Ketol-acid reductoisomerase enzymes and methods of use Sridhar Govindarajan, Yougen Li, Der-Ing Liao, Jeremy Minshull, Steven Cary Rothman +1 more 2016-07-12
9238828 Keto-isovalerate decarboxylase enzymes and methods of use thereof Jessica McElvain, Brian James Paul, Mark S. Payne, Steven Cary Rothman, Hongxian He 2016-01-19
9169467 Ketol-acid reductoisomerase enzymes and methods of use Sridhar Govindarajan, Yougen Li, Der-Ing Liao, Jeremy Minshull, Steven Cary Rothman +1 more 2015-10-27
8765433 Alcohol dehydrogenases (ADH) useful for fermentive production of lower alkyl alcohols Sriram Satagopan, Janardhan Gude 2014-07-01
8748399 Acid-cleavable linkers exhibiting altered rates of acid hydrolysis Laura Bedzyk, Stephen R. Fahnestock, Tanja Maria Gruber, Pierre E. Rouviere 2014-06-10 $16,015,000
8110382 Process for producing glycolic acid from formaldehyde and hydrogen cyanide Robert DiCosimo, Anna Panova, Jeffery Scott Thompson, Robert D. Fallon, F. Glenn Gallagher +5 more 2012-02-07 $50,907,000
8084238 Process for producing glycolic acid from formaldehyde and hydrogen cyanide Robert DiCosimo, Anna Panova, Jeffery Scott Thompson, Robert D. Fallon, F. Glenn Gallagher +5 more 2011-12-27 $10,303,000
8071343 Process for producing glycolic acid from formaldehyde and hydrogen cyanide Robert DiCosimo, Anna Panova, Jeffery Scott Thompson, Robert D. Fallon, F. Glenn Gallagher +5 more 2011-12-06 $7,034,000
8008052 Process for producing glycolic acid from formaldehyde and hydrogen cyanide Robert DiCosimo, Anna Panova, Jeffery Scott Thompson, Robert D. Fallon, F. Glenn Gallagher +5 more 2011-08-30 $13,769,000
7939303 Process for producing glycolic acid from formaldehyde and hydrogen cyanide Robert DiCosimo, Anna Panova, Jeffery Scott Thompson, Robert D. Fallon, F. Glenn Gallagher +5 more 2011-05-10 $17,910,000
7833745 Direct detection method for products of cellular metabolism using ToF-SIMS Kathryn Lloyd 2010-11-16 $10,157,000
7741083 Process for producing glycolic acid from formaldehyde and hydrogen cyanide Robert DiCosimo, Anna Panova, Jeffery Scott Thompson, Robert D. Fallon, F. Glenn Gallagher +5 more 2010-06-22 $7,659,000
7732172 Process for producing glycolic acid from formaldehyde and hydrogen cyanide Robert DiCosimo, Anna Panova, Jeffrey Thompson, Robert D. Fallon, F. Glenn Gallagher +5 more 2010-06-08 $11,092,000
7638617 Enzymatic production of glycolic acid Robert DiCosimo, Anna Panova, Jeffery Scott Thompson, Mark S. Payne 2009-12-29 $13,167,000
7473545 Enzymatic production of glycolic acid Robert DiCosimo, Anna Panova, Jeffery Scott Thompson, Mark S. Payne 2009-01-06 $31,638,000
7445917 Process for producing glycolic acid from formaldehyde and hydrogen cyanide Robert DiCosimo, Anna Panova, Jeffery Scott Thompson, Robert D. Fallon, F. Glenn Gallagher +5 more 2008-11-04 $42,915,000
7358071 Production of 3-hydroxycarboxylic acid using nitrilase mutants Mark S. Payne, Robert DiCosimo 2008-04-15 $15,785,000
7198927 Enzymatic production of glycolic acid Robert DiCosimo, Mark S. Payne, Anna Panova, Jeffrey Thompson 2007-04-03 $8,407,000
7148051 Production of 3-hydroxycarboxylic acid using nitrilase Mark S. Payne, Robert DiCosimo 2006-12-12 $11,367,000
6171839 Soybean glutathione-S-transferase enzymes Brian McGonigle 2001-01-09 $101,260,000
6168954 Soybean glutathione-S-transferase enzymes Brian McGonigle 2001-01-02 $96,518,000
6096504 Maize glutathione-S-transferase enzymes Brian McGonigle 2000-08-01 $49,775,000