Alan Martyn Eddison
36Patents
21h-index
18Co-inventors
82Inventor score
Filing activity: Feb 1, 1991 → Oct 16, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5311952A | Apparatus and method for directional drilling with downhole motor on coiled tubing | Fixed Constructions | 109 | Expired |
| US6279670A | Downhole flow pulsing apparatus | Fixed Constructions | 108 | Expired |
| US5139094A | Directional drilling methods and apparatus | Fixed Constructions | 105 | Expired |
| US6615933B1 | Downhole tool with extendable members | Fixed Constructions | 84 | Expired |
| US5484029A | Steerable drilling tool and system | Fixed Constructions | 74 | Expired |
| US5617926A | Steerable drilling tool and system | Fixed Constructions | 61 | Expired |
| US6508317B2 | Downhole apparatus and method of use | Fixed Constructions | 59 | Expired |
| US6439318B1 | Downhole apparatus | Fixed Constructions | 56 | Expired |
| US5181576A | Downhole adjustable stabilizer | Fixed Constructions | 56 | Expired |
| US5520256A | Articulated directional drilling motor assembly | Fixed Constructions | 45 | Expired |
| US7168493B2 | Downhole tool | Fixed Constructions | 40 | Expired |
| US6588518B2 | Drilling method and measurement-while-drilling apparatus and shock tool | Fixed Constructions | 36 | Expired |
| US5727641A | Articulated directional drilling motor assembly | Fixed Constructions | 32 | Expired |
| US7823663B2 | Expandable reamer | Fixed Constructions | 30 | Active |
| US5529133A | Steerable drilling tool and system | Fixed Constructions | 28 | Expired |
| US5542482A | Articulated directional drilling motor assembly | Fixed Constructions | 28 | Expired |
| US7703553B2 | Downhole tool having radially extendable members | Fixed Constructions | 26 | Expired |
| US6431294B1 | Percussive tool | Emerging Cross-Sectional Technologies | 25 | Expired |
| US8167051B2 | Selective agitation | Fixed Constructions | 24 | Active |
| US7013994B2 | Directional drilling apparatus | Fixed Constructions | 23 | Expired |
| US6321857A | Directional drilling apparatus and method utilizing eccentric stabilizer | Fixed Constructions | 23 | Expired |
| US7077205B2 | Method and device to free stuck objects | Fixed Constructions | 19 | Expired |
| US9273529B2 | Downhole pulse generating device | Fixed Constructions | 18 | Active |
| US8069926B2 | Method of controlling flow through a drill string using a valve positioned therein | Emerging Cross-Sectional Technologies | 16 | Active |
| US9004194B2 | Downhole tractor | Fixed Constructions | 12 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.