RG

Richard R. Gerke

HA Halliburton: 2 patents #318 of 857Top 40%
HS Halliburton Services: 1 patents #13 of 58Top 25%
HL Henkel Limited: 1 patents #428 of 861Top 50%
📍 Duncan, OK: #263 of 603 inventorsTop 45%
🗺 Oklahoma: #2,630 of 12,736 inventorsTop 25%
Overall (All Time): #1,295,397 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5375459 Defoamer testing apparatus Jose M. Rodriguez, John J. Palmer 1994-12-27
5127473 Repair of microannuli and cement sheath Kirk L. Harris, Edward F. Vinson, Daniel L. Bour, David Ewert 1992-07-07
5121795 Squeeze cementing David Ewert, D. P. Kundert, Jeffrey A. Dahl, E. Dwyann Dalrymple 1992-06-16
4557763 Dispersant and fluid loss additives for oil field cements Charles R. George 1985-12-10