David Hall
20Patents
9h-index
30Co-inventors
75Inventor score
Filing activity: Mar 4, 1976 → Apr 20, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5996702A | System for monitoring movement of a vehicle tool | Physics | 35 | Expired |
| US4169592A | Electronic reflex game | Human Necessities | 31 | Expired |
| US5195914A | Two-stage tilt cylinder mechanism for marine propulsion stern bracket assembly | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4853539A | Glow discharge mass spectrometer | Electricity | 20 | Expired |
| US5236340A | Containers | Performing Operations; Transporting | 19 | Expired |
| US5630401A | Combined fuel injection pump and nozzle | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4072282A | Supercritical aerofoils | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6264403A | Pile and method of driving a pile | Fixed Constructions | 14 | Expired |
| US4355588A | Transplanting machine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5154651A | Marine propulsion device tilt tube | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US8291624B2 | Blade assembly for an excavating apparatus | Fixed Constructions | 6 | Active |
| US5473301A | Energy storage inductor apparatus | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5201680A | Marine propulsion device having quick-disconnect connector | Electricity | 2 | Expired |
| US8701313B2 | Blade assembly for an excavating apparatus | Fixed Constructions | 2 | Active |
| US9957688B2 | Excavator bucket | Fixed Constructions | 2 | Active |
| US10689981B2 | Method of moving material | Fixed Constructions | 1 | Active |
| US10024646B2 | Method and apparatus for determining a hole depth | Performing Operations; Transporting | 0 | Active |
| US10648331B2 | Method of strip mining | Fixed Constructions | 0 | Active |
| US11987950B2 | Method and apparatus to form rip lines across a sloping surface | Human Necessities | 0 | Active |
| US11702255B2 | Fluid container cap with dual-position restrictor | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.