Mahlon D. Dennis
47Patents
30h-index
17Co-inventors
82Inventor score
Filing activity: May 15, 1978 → Jul 16, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5120327A | Cutting composite formed of cemented carbide substrate and diamond layer | Emerging Cross-Sectional Technologies | 468 | Expired |
| US5154245A | Diamond rock tools for percussive and rotary crushing rock drilling | Fixed Constructions | 415 | Expired |
| US5544713A | Cutting element for drill bits | Emerging Cross-Sectional Technologies | 327 | Expired |
| US4255165A | Composite compact of interleaved polycrystalline particles and cemented carbide masses | Performing Operations; Transporting | 300 | Expired |
| US4784023A | Cutting element having composite formed of cemented carbide substrate and diamond layer and method of making same | Emerging Cross-Sectional Technologies | 257 | Expired |
| US6063333A | Method and apparatus for fabrication of cobalt alloy composite inserts | Mechanical Engineering; Lighting; Heating | 208 | Expired |
| US5264283A | Diamond tools for rock drilling, metal cutting and wear part applications | Emerging Cross-Sectional Technologies | 147 | Expired |
| US5217081A | Tools for cutting rock drilling | Chemistry; Metallurgy | 141 | Expired |
| US5641921A | Low temperature, low pressure, ductile, bonded cermet for enhanced abrasion and erosion performance | Mechanical Engineering; Lighting; Heating | 129 | Expired |
| US4592433A | Cutting blank with diamond strips in grooves | Fixed Constructions | 127 | Expired |
| US5624068A | Diamond tools for rock drilling, metal cutting and wear part applications | Emerging Cross-Sectional Technologies | 122 | Expired |
| US5335738A | Tools for percussive and rotary crushing rock drilling provided with a diamond layer | Fixed Constructions | 113 | Expired |
| US5524719A | Internally reinforced polycrystalling abrasive insert | Emerging Cross-Sectional Technologies | 111 | Expired |
| US5496638A | Diamond tools for rock drilling, metal cutting and wear part applications | Emerging Cross-Sectional Technologies | 107 | Expired |
| US4640374A | Rotary drill bit | Fixed Constructions | 96 | Expired |
| US4538691A | Rotary drill bit | Fixed Constructions | 95 | Expired |
| US5499688A | PDC insert featuring side spiral wear pads | Emerging Cross-Sectional Technologies | 89 | Expired |
| US6500226B1 | Method and apparatus for fabrication of cobalt alloy composite inserts | Mechanical Engineering; Lighting; Heating | 83 | Expired |
| US5709279A | Drill bit insert with sinusoidal interface | Fixed Constructions | 75 | Expired |
| US5848348A | Method for fabrication and sintering composite inserts | Mechanical Engineering; Lighting; Heating | 72 | Expired |
| US4662896A | Method of making an abrasive cutting element | Performing Operations; Transporting | 55 | Expired |
| US5342129A | Bearing assembly with sidewall-brazed PCD plugs | Mechanical Engineering; Lighting; Heating | 54 | Expired |
| US6488103B1 | Drilling tool and method of using same | Mechanical Engineering; Lighting; Heating | 52 | Expired |
| US5630479A | Cutting element for drill bits | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6011248A | Method and apparatus for fabrication and sintering composite inserts | Mechanical Engineering; Lighting; Heating | 39 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.