RD

Richard W. DeLange

GP Grant Prideco: 9 patents #1 of 58Top 2%
WH Weatherford Technology Holdings: 6 patents #96 of 753Top 15%
WE Weatherford/Lamb: 4 patents #167 of 852Top 20%
GP Grant Prideco: 3 patents #4 of 62Top 7%
BH Baker Hughes Holdings: 1 patents #1,949 of 3,522Top 60%
📍 Kingwood, TX: #44 of 726 inventorsTop 7%
🗺 Texas: #4,820 of 125,132 inventorsTop 4%
Overall (All Time): #153,584 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
4538840 Connector means for use on oil and gas well tubing or the like — 1985-09-03