Michael D. Murphy
45Patents
25h-index
24Co-inventors
85Inventor score
Filing activity: Nov 5, 1984 → May 10, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6282362A | Geographical position/image digital recording and display system | Electricity | 654 | Expired |
| US6147598A | Vehicle theft system including a handheld computing device | Performing Operations; Transporting | 313 | Expired |
| US5913917A | Fuel consumption estimation | Performing Operations; Transporting | 209 | Expired |
| US6087965A | Vehicle mileage meter and a GPS position tracking system | Physics | 199 | Expired |
| US6225890A | Vehicle use control | Physics | 195 | Expired |
| US5991690A | Navigation system incorporating simplified location display | Physics | 147 | Expired |
| US4645970A | Illuminated EL panel assembly | Physics | 113 | Expired |
| US5799082A | Secure authentication of images | Electricity | 112 | Expired |
| US5917434A | Integrated taximeter/GPS position tracking system | Physics | 102 | Expired |
| US6232874A | Vehicle use control | Physics | 100 | Expired |
| US5610822A | Position-related multi-media presentation system | Electricity | 81 | Expired |
| US6317500A | Method and apparatus for location-sensitive decryption of an encrypted signal | Electricity | 78 | Expired |
| US5640452A | Location-sensitive decryption of an encrypted message | Electricity | 67 | Expired |
| USD584151S1 | Bottle cap | General | 61 | Expired |
| USD716661S1 | Bottle | General | 58 | Active |
| US5098235A | Bit storage means for drill press | Emerging Cross-Sectional Technologies | 57 | Expired |
| US8275516B2 | Agricultural vehicle autopilot rollover risk assessment system | Performing Operations; Transporting | 35 | Active |
| US5644318A | SATPS dynamic surveying from a moving platform | Physics | 34 | Expired |
| US5767804A | Integrated radio direction finding and GPS receiver tracking system | Physics | 34 | Expired |
| USD716654S1 | Bottle spout | General | 33 | Active |
| USD671406S1 | Safety device for a container | General | 33 | Active |
| USD493369S1 | Oval dispenser | General | 32 | Expired |
| USD653117S1 | Bottle | General | 30 | Expired |
| USD705067S1 | Bottle | General | 30 | Active |
| US6094164A | Integrated radio direction finding and GPS receiver tracking system | Physics | 29 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.