Thomas W. Ray
18Patents
11h-index
24Co-inventors
72Inventor score
Filing activity: Nov 16, 1978 → Mar 31, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6854522B2 | Annular isolators for expandable tubulars in wellbores | Fixed Constructions | 115 | Expired |
| US7013998B2 | Drill bit having an improved seal and lubrication method using same | Fixed Constructions | 89 | Expired |
| US4753444A | Seal and seal assembly for well tools | Emerging Cross-Sectional Technologies | 77 | Expired |
| US7252142B2 | Annular isolators for expandable tubulars in wellbores | Fixed Constructions | 76 | Expired |
| US7264047B2 | Annular isolators for expandable tubulars in wellbores | Fixed Constructions | 28 | Active |
| US7696275B2 | Downhole seal element formed from a nanocomposite material | Fixed Constructions | 28 | Active |
| US7404437B2 | Annular isolators for expandable tubulars in wellbores | Fixed Constructions | 25 | Active |
| US4227573A | Reinforced seal unit for pumpdown pistons or well swabs | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US7299882B2 | Annular isolators for expandable tubulars in wellbores | Fixed Constructions | 18 | Active |
| US7363986B2 | Annular isolators for expandable tubulars in wellbores | Fixed Constructions | 17 | Active |
| USRE41118E1 | Annular isolators for expandable tubulars in wellbores | General | 15 | Active |
| USRE40197E1 | Drill bit having an improved seal and lubrication method using same | General | 7 | Active |
| US8283402B2 | Downhole seal element formed from a nanocomposite material | Fixed Constructions | 3 | Active |
| USD658833S1 | Apparatus for cleaning and scrubbing siding | General | 2 | Expired |
| USD659318S1 | Apparatus for cleaning and scrubbing down spouts | General | 2 | Expired |
| USD659317S1 | Apparatus for cleaning and scrubbing gutters | General | 2 | Expired |
| USD659316S1 | Apparatus for cleaning and scrubbing soffits | General | 1 | Expired |
| USD659319S1 | Apparatus for cleaning and scrubbing siding | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.