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USPTO Patent Rankings Data through Dec 31, 2025
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Robert W. Dugger — 20 Patents

Pfizer: 21 patents #140 of 5,153Top 3%
Stonington, CT: #12 of 119 inventorsTop 15%
Connecticut: #2,000 of 34,797 inventorsTop 6%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
Robert W. Dugger has been granted 20 US patents while listed as an inventor at Pfizer. The first was granted in 1990 and the most recent in December 2019. Robert W. Dugger ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Robert W. Dugger in Stonington, CT, US.

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10508081 Intermediates and methods for synthesizing calicheamicin derivatives Leo J. Letendre, Vimalkumar Babubhai Patel, Amarnauth Shastrie Prashad, Chunchun Zhang 2019-12-17 $878,993,000
9902691 Intermediates and methods for synthesizing calicheamicin derivatives Leo J. Letendre, Vimalkumar Babubhai Patel, Amarnauth Shastrie Prashad, Chunchun Zhang 2018-02-27 $605,367,000
7199243 Piperidine compounds useful as PPAR activators Scott W. Bagley, Thomas Brandt, William Hada, Cheryl M. Hayward, Zhengyu Liu 2007-04-03 $257,117,000
6919460 Processes and intermediates useful in preparing β3-adrenergic receptor agonists Robert J. Chambers, Ming Kang, Yong Tao, John W. Wong 2005-07-19 $201,677,000
6706881 Methods for preparing CETP inhibitors David B. Damon, Robert Scott 2004-03-16 $212,687,000
6689897 Intermediates of CETP inhibitors David B. Damon, Robert Scott 2004-02-10 $201,275,000
6689888 Processes and intermediates useful in preparing &bgr;3-adrenergic receptor agonists Robert J. Chambers, Ming Kang, Yong Tao, John W. Wong 2004-02-10 $201,275,000
6600045 Methods for preparing CETP inhibitors David B. Damon, Robert Scott 2003-07-29 $490,376,000
6444826 Processes and intermediates for preparing substituted chromanol derivatives Anthony D. Piscopio, Joel M. Hawkins, Stephane Caron, Sarah E. Kelly, Jeffrey W. Raggon +2 more 2002-09-03 $340,645,000
6355825 Processes and intermediates for preparing substituted chromanol derivatives Anthony D. Piscopio, Joel M. Hawkins, Stephanie Caron, Sarah E. Kelly, Jeffrey W. Raggon +2 more 2002-03-12 $439,076,000
6313142 Method for making 4-carboxyamino-2-substituted-1,2,3,4-tetrahydroquinoline David B. Damon 2001-11-06 $456,904,000
6288242 Processes and intermediates for preparing substituted chromanol derivatives Anthony D. Piscopio, Joel M. Hawkins, Stephanie Caron, Sarah E. Kelly, Jeffrey W. Raggon +2 more 2001-09-11
6096906 Processes for preparing substituted chromanol derivatives Anthony D. Piscopio, Joel M. Hawkins, Stephane Caron, Sarah E. Kelly, Jeffrey W. Raggon +2 more 2000-08-01 $930,245,000
5420283 Resolution of (R)-2-benzylsuccinic acid 4-[4-(N-t-butoxycarbonylmethylamino)-piperidine] amide 1995-05-30 $63,512,000
5210212 Process for 5-fluoro-6-chlorooxindole 1993-05-11 $75,773,000
5166400 Intermediates for isopropyl 3S-amino-2R-hydroxy-alkanoates 1992-11-24 $34,177,000
5166401 Intermediates for 5-fluoro-6-chlorooxindole 1992-11-24 $34,177,000
5075439 Processes for (3S,4R)-3-[1(R)-t-butyl-dimethylsilyloxy)-ethyl]-4-[1-oxo-3-thiolanylthi o(thiocarbonyl)thio]azetidin-2-ones and intermediates therefor Frank R. Busch, George J. Quallich 1991-12-24 $68,436,000
5036155 Process for isopropyl 3S-amino-2R-hydroxy-alkanoates 1991-07-30 $16,583,000
4965372 Process and intermediates for isopropyl 3S-amino-2R-hydroxy-alkanoates 1990-10-23 $34,228,000