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

William Alexander

ACAmerican Colloid: 29 patents #1 of 49Top 3%
MPMarathon Ashland Petroleum: 1 patents #38 of 83Top 50%
Naperville, IL: #87 of 3,051 inventorsTop 3%
Illinois: #1,912 of 84,256 inventorsTop 3%
Overall (All Time): #120,051 of 4,157,543Top 3%
31 Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
4634538 Water swellable clay composition and method to maintain stability in salt contaminated water 1987-01-06
4624982 Method of temporarily inhibiting the swellability of water swellable clays and compositions 1986-11-25
4613542 Method of impregnating a water-penetrable article with a swell-inhibited water swellable clay slurry 1986-09-23
4514510 Hydrogen enriched water swellable clay having reduced acid demand and stable at low pH 1985-04-30
4462470 Extrusion of bentonite clay for fluid loss reduction in drilling fluids Ira Edgar Odom 1984-07-31
4378299 Cable lubricating composition and method 1983-03-29