Ralph M. Horton
12Patents
11h-index
14Co-inventors
65Inventor score
Filing activity: Jan 5, 1990 → Nov 15, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5049164A | Multilayer coated abrasive element for bonding to a backing | Chemistry; Metallurgy | 163 | Expired |
| US5000273A | Low melting point copper-manganese-zinc alloy for infiltration binder in matrix body rock drill bits | Fixed Constructions | 152 | Expired |
| US6220375A | Polycrystalline diamond cutters having modified residual stresses | Performing Operations; Transporting | 138 | Expired |
| US5090491A | Earth boring drill bit with matrix displacing material | Performing Operations; Transporting | 135 | Expired |
| US5213248A | Bonding tool and its fabrication | Performing Operations; Transporting | 104 | Expired |
| US6202771A | Cutting element with controlled superabrasive contact area, drill bits so equipped | Fixed Constructions | 76 | Expired |
| US5431239A | Stud design for drill bit cutting element | Fixed Constructions | 58 | Expired |
| US5147001A | Drill bit cutting array having discontinuities therein | Fixed Constructions | 44 | Expired |
| US6872356B2 | Method of forming polycrystalline diamond cutters having modified residual stresses | Performing Operations; Transporting | 35 | Expired |
| US5820985A | PDC cutters with improved toughness | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6521174B1 | Method of forming polycrystalline diamond cutters having modified residual stresses | Performing Operations; Transporting | 22 | Expired |
| US6098731A | Drill bit compact with boron or beryllium for fracture resistance | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.