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

Leonid Vorobyev

Walnut Creek, CA: #587 of 1,300 inventorsTop 50%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #1,955,538 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9982107 Method of devulcanization of sulfur-cured rubber Vladimir Borisovich Bosnik 2018-05-29
7008555 Epoxy resin curing agents and epoxy resin compositions Brian S. Hayes, Richard J. Moulton, Doyle G. Dixon 2006-03-07