David Ayers
16Patents
8h-index
9Co-inventors
65Inventor score
Filing activity: Jun 3, 1983 → Aug 1, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4583602A | Shaped charge perforating device | Fixed Constructions | 58 | Expired |
| US7913806B2 | Enclosures for containing transducers and electronics on a downhole tool | Physics | 36 | Active |
| US7428925B2 | Wellbore formation evaluation system and method | Fixed Constructions | 18 | Expired |
| US8548622B2 | Uniform compression garment and method of manufacturing garment | Human Necessities | 17 | Active |
| US4708345A | Manipulative amusement device | Human Necessities | 16 | Expired |
| US8256565B2 | Enclosures for containing transducers and electronics on a downhole tool | Physics | 13 | Active |
| US4881738A | Manipulative amusement device | Human Necessities | 10 | Expired |
| US4484639A | Method and apparatus for perforating subsurface earth formations | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US8734175B2 | Flexible sealing connector | Electricity | 7 | Active |
| US7568521B2 | Wellbore formation evaluation system and method | Fixed Constructions | 6 | Active |
| US8639186B2 | Telemetry conveyed by pipe utilizing specks | Emerging Cross-Sectional Technologies | 6 | Active |
| US8813525B2 | Revesible garment with warming side and cooling side | Textiles; Paper | 4 | Active |
| US5178576A | Apparatus and method for manupulating a spring toy | Human Necessities | 4 | Expired |
| USD315751S | Puzzle | General | 1 | Expired |
| US8408355B2 | Enclosures for containing transducers and electronics on a downhole tool | Physics | 1 | Active |
| US8950489B2 | Annular disposed stirling heat exchanger | Fixed Constructions | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.