BC

Barry D. Calnan

HS Halliburton Energy Services: 3 patents #1,681 of 4,711Top 40%
📍 Conroe, TX: #208 of 788 inventorsTop 30%
🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,145,944 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D960215 Shear pick Gary E. Weaver, William W. King 2022-08-09
8393417 Apparatus and methods to optimize fluid flow and performance of downhole drilling equipment Ronald G. Earles, Randy C. Ivey 2013-03-12
7832456 Molds and methods of forming molds associated with manufacture of rotary drill bits and other downhole tools Valerie Sillen 2010-11-16
7832457 Molds, downhole tools and methods of forming Valerie Sillen 2010-11-16