DD

David P. Duckworth

HS Halliburton Energy Services: 7 patents #912 of 4,711Top 20%
📍 Conroe, TX: #143 of 788 inventorsTop 20%
🗺 Texas: #21,377 of 125,132 inventorsTop 20%
Overall (All Time): #728,220 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10132120 Elastomer-thermally conductive carbon fiber compositions for roller-cone drill bit seals B. Raghava Reddy, Feng Liang, Ping Sui 2018-11-20
10113366 Intergland grease 2018-10-30
9988850 Symmetrical seal Micheal Burl Crawford, Mark E. Williams, Young-Ho Lee, Zhaohui Shan 2018-06-05
9988849 Joints comprising carbon nanoforests Ping Sui, Gary E. Weaver 2018-06-05
9528066 High-temperature lubricants comprising elongated carbon nanoparticles for use in subterranean formation operations Ping Sui 2016-12-27
9493723 High-temperature lubricants comprising elongated carbon nanoparticles for use in subterranean formation operations Ping Sui 2016-11-15
8789623 High performance rock bit grease Ping Sui, Liwen Wei 2014-07-29