David M. Evans
40Patents
13h-index
25Co-inventors
81Inventor score
Filing activity: Apr 1, 1975 → Feb 13, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4441489A | Orthopaedic splints | Human Necessities | 241 | Expired |
| US5537669A | Inspection method and apparatus for the inspection of either random or repeating patterns | Physics | 150 | Expired |
| USD278099S | Blacktop applicator brush and squeege combination | General | 49 | Expired |
| US6021214A | Inspection method and apparatus for the inspection of either random or repeating patterns | Physics | 46 | Expired |
| US4516569A | Intramedullary orthopaedic devices | Human Necessities | 37 | Expired |
| US4107486A | Switch operating mechanisms for high voltage switches | Electricity | 36 | Expired |
| US5305380A | Methods and apparatus for providing a secure telecommunications port | Electricity | 29 | Expired |
| US5142859A | Turbine cooling system | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US6665432B1 | Inspection method and apparatus for the inspection of either random or repeating patterns | Physics | 24 | Expired |
| US4668162A | Changeable cooling control system for a turbine shroud and rotor | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6263917A | Multiple-bore throttle valve having central shaft end-play restraint | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5305377A | Apparatus for providing an | Electricity | 18 | Expired |
| US4375703A | Endoprosthetic bone joint devices | Human Necessities | 16 | Expired |
| US4250476A | Auxiliary switch for indicating the condition of a circuit-interrupting device | Electricity | 13 | Expired |
| US3980977A | Spiral operating mechanism for high voltage switch | Electricity | 12 | Expired |
| USD256353S | Base-mounted high voltage circuit interrupter | General | 12 | Expired |
| US4857634A | Peptides useful in vaccination against enteroviruses | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4351994A | High-voltage switchgear | Electricity | 10 | Expired |
| US4268811A | Circuit interrupting device | Electricity | 10 | Expired |
| US3991348A | Apparatus for controlling access to high voltage metal-enclosed switchgear | Electricity | 10 | Expired |
| US4103129A | High voltage circuit interrupter switch arrangement | Electricity | 9 | Expired |
| US4779496A | Tube cutting apparatus and method | Emerging Cross-Sectional Technologies | 8 | Expired |
| USD254615S | Hinge mounting for a high voltage fuse | General | 7 | Expired |
| US5121491A | MIDI to RS 232 interface | Physics | 7 | Expired |
| USD256355S | Molded insulating base for an electrical apparatus | General | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.