Robert B. Davies
121Patents
30h-index
57Co-inventors
93Inventor score
Filing activity: Dec 8, 1975 → Mar 5, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5712501A | Graded-channel semiconductor device | Electricity | 162 | Expired |
| US6848351B1 | Rifle | Mechanical Engineering; Lighting; Heating | 154 | Expired |
| US6308609A | Suppressor | Mechanical Engineering; Lighting; Heating | 134 | Expired |
| US7827722B1 | Rifle | Mechanical Engineering; Lighting; Heating | 108 | Active |
| US6694660B1 | Rifle handguard system with integrated barrel nut | Mechanical Engineering; Lighting; Heating | 105 | Expired |
| US5252848A | Low on resistance field effect transistor | Electricity | 88 | Expired |
| US7832323B1 | Firearm suppressor | Mechanical Engineering; Lighting; Heating | 80 | Active |
| US5714393A | Diode-connected semiconductor device and method of manufacture | Electricity | 76 | Expired |
| US7363741B2 | Hand guard assembly for firearms | Mechanical Engineering; Lighting; Heating | 75 | Expired |
| US8230634B1 | Two piece upper receiver for firearms | Mechanical Engineering; Lighting; Heating | 73 | Active |
| US7905041B1 | Stabilized rifle barrel and rifle | Mechanical Engineering; Lighting; Heating | 73 | Active |
| US7213498B1 | Rifle | Mechanical Engineering; Lighting; Heating | 71 | Expired |
| US7963203B1 | Rifle | Mechanical Engineering; Lighting; Heating | 57 | Active |
| US4960723A | Process for making a self aligned vertical field effect transistor having an improved source contact | Emerging Cross-Sectional Technologies | 56 | Expired |
| US6118171A | Semiconductor device having a pedestal structure and method of making | Electricity | 55 | Expired |
| US5008736A | Thermal protection method for a power device | Electricity | 55 | Expired |
| US8037806B2 | Rifle | Mechanical Engineering; Lighting; Heating | 50 | Active |
| US5155563A | Semiconductor device having low source inductance | Electricity | 50 | Expired |
| US7464496B1 | Heat exchanger barrel nut | Mechanical Engineering; Lighting; Heating | 50 | Active |
| US7584567B1 | Hand guard assembly for firearms | Mechanical Engineering; Lighting; Heating | 50 | Active |
| US6722254B1 | Muzzle brake | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US4021701A | Transistor protection circuit | Physics | 42 | Expired |
| US5075739A | High voltage planar edge termination using a punch-through retarding implant and floating field plates | Electricity | 41 | Expired |
| US4871686A | Integrated Schottky diode and transistor | Electricity | 35 | Expired |
| US5510648A | Insulated gate semiconductor device and method of fabricating | Emerging Cross-Sectional Technologies | 33 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.