Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David P. Ross — 2 Patents

LILifecell: 2 patents #52 of 109Top 50%
Houston, TX: #8,651 of 21,073 inventorsTop 45%
Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,223,499 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6194136 Cryoprotective solutions comprising DMSO, PG, 2,3-butanediol,raffinose and PVP Stephen A. Livesey, Anthony A. del Campo, Abhijit Nag, Ken Nichols, Carmen Piunno 2001-02-27
5780295 Apparatus for cryopreparation, dry stabilization and rehydration of biological suspensions Stephen A. Livesey, Anthony A. del Campo, Abhijit Nag, Ken Nichols, Carmen Piunno 1998-07-14