Robert A. Laing
18Patents
10h-index
35Co-inventors
68Inventor score
Filing activity: Mar 13, 2002 → Mar 29, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7395882B2 | Casing and liner drilling bits | Fixed Constructions | 127 | Expired |
| US7036611B2 | Expandable reamer apparatus for enlarging boreholes while drilling and methods of use | Fixed Constructions | 125 | Expired |
| US7308937B2 | Expandable reamer apparatus for enlarging boreholes while drilling and methods of use | Fixed Constructions | 72 | Expired |
| US7178609B2 | Window mill and drill bit | Fixed Constructions | 44 | Expired |
| US6695080B2 | Reaming apparatus and method with enhanced structural protection | Fixed Constructions | 42 | Expired |
| US7549485B2 | Expandable reamer apparatus for enlarging subterranean boreholes and methods of use | Fixed Constructions | 39 | Expired |
| US6739416B2 | Enhanced offset stabilization for eccentric reamers | Fixed Constructions | 25 | Expired |
| US8006785B2 | Casing and liner drilling bits and reamers | Fixed Constructions | 21 | Active |
| US9611697B2 | Expandable apparatus and related methods | Fixed Constructions | 10 | Active |
| US8813871B2 | Expandable apparatus and related methods | Fixed Constructions | 10 | Active |
| US8887839B2 | Drill bit for use in drilling subterranean formations | Fixed Constructions | 5 | Active |
| US8167059B2 | Casing and liner drilling shoes having spiral blade configurations, and related methods | Fixed Constructions | 5 | Active |
| US8205693B2 | Casing and liner drilling shoes having selected profile geometries, and related methods | Fixed Constructions | 3 | Active |
| US8225887B2 | Casing and liner drilling shoes with portions configured to fail responsive to pressure, and related methods | Fixed Constructions | 3 | Active |
| US8225888B2 | Casing shoes having drillable and non-drillable cutting elements in different regions and related methods | Fixed Constructions | 2 | Active |
| US8297380B2 | Casing and liner drilling shoes having integrated operational components, and related methods | Fixed Constructions | 1 | Active |
| US10087683B2 | Expandable apparatus and related methods | Fixed Constructions | 0 | Active |
| US10445841B2 | Systems and methods for earth-boring rotary drill bit selection | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.