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

Bill Carruthers

LALafarge: 3 patents #15 of 148Top 15%
Conroe, TX: #258 of 788 inventorsTop 35%
Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,535,790 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8858704 Low density cementitious compositions using limestone Wes Woytowich, Paul Lehoux, Greg Daderko 2014-10-14
8435930 Low density cementitious compositions using lime kiln dust Wes Woytowich, Paul Lehoux, Greg Daderko 2013-05-07
8394744 Low density cementitious compositions Wes Woytowich, Benoit Cotnoir, Paul Lehoux, Richard McCorkle, Eric Bowman 2013-03-12