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

William R. Light — 32 Patents

BIBiopure: 20 patents #1 of 18Top 6%
EBElement Biosciences: 10 patents #8 of 41Top 20%
UPUniversity Of Pittsburgh: 1 patents #882 of 1,817Top 50%
Poway, CA: #52 of 1,186 inventorsTop 5%
California: #15,733 of 386,348 inventorsTop 5%
Overall (All Time): #110,903 of 4,157,543Top 3%
32 Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
5955581 Method for producing a stable polymerized hemoglobin blood-substitute Carl W. Rausch, Maria S. Gawryl, Robert A. Houtchens, Anthony J. Laccetti 1999-09-21
5952470 Method for separating unmodified hemoglobin from cross-linked hemoglobin Maria S. Gawryl, Anthony J. Laccetti, Robert A. Houtchens 1999-09-14
5895810 Stable polymerized hemoglobin and use thereof Maria S. Gawryl, Anthony J. Laccetti 1999-04-20
5840852 Method for producing ultrapure stable polmerized hemoglobin blood-substitute Carl W. Rausch, Maria S. Gawryl, Robert A. Houtchens, Anthony J. Laccetti 1998-11-24
5808011 Method for chromatographic removal of prions Maria S. Gawryl, Robert A. Houtchens 1998-09-15
5753616 Method for producing a stable polymerized hemoglobin blood-substitute Carl W. Rausch, Maria S. Gawryl, Robert A. Houtchens, Anthony J. Laccetti 1998-05-19
5691452 Method for preserving a hemoglobin blood substitute Maria S. Gawryl, Robert A. Houtchens 1997-11-25