Inventor

PAY CLIFFORD R

US5 patents

⚠️ This page may combine multiple inventors who share the name “PAY CLIFFORD R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EASTMAN CHRISTENSEN CO

2 patents

US4726718AFeb 23, 1988

Multi-component cutting element using triangular, rectangular and higher order polyhedral-shaped polycrystalline diamond disks

EASTMAN CHRISTENSEN CO286 citations97

US5028177AJul 2, 1991

Multi-component cutting element using triangular, rectangular and higher order polyhedral-shaped polycrystalline diamond disks

EASTMAN CHRISTENSEN CO135 citations96

CHRISTENSEN INC NORTON

2 patents

US4529047AJul 16, 1985

Cutting tooth and a rotating bit having a fully exposed polycrystalline diamond element

CHRISTENSEN INC NORTON18 citations71

US4552231ANov 12, 1985

Rotating pilot core bit for use in highly fractured formations

CHRISTENSEN INC NORTON11 citations65

MESKIN ALEXANDER K

1 patent

US5199832AApr 6, 1993

Multi-component cutting element using polycrystalline diamond disks

MESKIN ALEXANDER K172 citations94