Cornelius Phaal
19Patents
12h-index
12Co-inventors
71Inventor score
Filing activity: Feb 28, 1975 → Jan 10, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4861350A | Tool component | Performing Operations; Transporting | 203 | Expired |
| US4534773A | Abrasive product and method for manufacturing | Performing Operations; Transporting | 165 | Expired |
| US4481016A | Method of making tool inserts and drill bits | Performing Operations; Transporting | 158 | Expired |
| US4373593A | Drill bit | Emerging Cross-Sectional Technologies | 145 | Expired |
| US5054246A | Abrasive compacts | Emerging Cross-Sectional Technologies | 138 | Expired |
| US5007207A | Abrasive product | Performing Operations; Transporting | 129 | Expired |
| US4789385A | Thermally stable diamond abrasive compact body | Chemistry; Metallurgy | 24 | Expired |
| US4008055A | Abrasive wheel containing nickel coated needle-shaped cubic boron nitride particles | Chemistry; Metallurgy | 19 | Expired |
| US4252102A | Cutting element for processing rocks, metal or the like | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4875907A | Thermally stable diamond abrasive compact body | Performing Operations; Transporting | 15 | Expired |
| US4215999A | Abrasive compact with a core of high rigidity material | Performing Operations; Transporting | 15 | Expired |
| US4246006A | Method of making sintered metal-diamond aggregates | Chemistry; Metallurgy | 12 | Expired |
| US4520881A | Tool component | Performing Operations; Transporting | 11 | Expired |
| US4591364A | Abrasive materials | Chemistry; Metallurgy | 9 | Expired |
| US4203732A | Method of making an abrasive product | Performing Operations; Transporting | 8 | Expired |
| US5033334A | Wire drawing die | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4694710A | Method of making a blank of a drill bit | Performing Operations; Transporting | 5 | Expired |
| US5648139A | Wire drawing dies of polycrystalline CVD diamond with boron dopant atoms | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4724728A | Drill blanks | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.