Oliver Matthews
22Patents
11h-index
27Co-inventors
75Inventor score
Filing activity: Jan 3, 1977 → Oct 6, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6408953B1 | Method and system for predicting performance of a drilling system for a given formation | Fixed Constructions | 210 | Expired |
| US7032689B2 | Method and system for predicting performance of a drilling system of a given formation | Fixed Constructions | 131 | Expired |
| US7357196B2 | Method and system for predicting performance of a drilling system for a given formation | Fixed Constructions | 107 | Expired |
| US7261167B2 | Method and system for predicting performance of a drilling system for a given formation | Fixed Constructions | 63 | Expired |
| US6568491B1 | Method for applying hardfacing material to a steel bodied bit and bit formed by such method | Fixed Constructions | 21 | Expired |
| US6695073B2 | Rock drill bits, methods, and systems with transition-optimized torque distribution | Fixed Constructions | 20 | Expired |
| US9316058B2 | Drill bits and earth-boring tools including shaped cutting elements | Fixed Constructions | 19 | Active |
| US4059727A | Data transmission system between telephone subscriber location and telephone exchange location during idle telephone condition | Electricity | 19 | Expired |
| US9074435B2 | Earth-boring tools having shaped cutting elements | Fixed Constructions | 12 | Active |
| US9359826B2 | Formation-engaging structures having retention features, earth-boring tools including such structures, and related methods | Emerging Cross-Sectional Technologies | 12 | Active |
| US8381844B2 | Earth-boring tools and components thereof and related methods | Emerging Cross-Sectional Technologies | 12 | Active |
| US10017998B2 | Drill bits and earth-boring tools including shaped cutting elements and associated methods | Fixed Constructions | 9 | Active |
| US10697248B2 | Earth-boring tools and related methods | Fixed Constructions | 7 | Active |
| US8437995B2 | Drill bit and design method for optimizing distribution of individual cutter forces, torque, work, or power | Fixed Constructions | 7 | Active |
| US8079429B2 | Methods of forming earth-boring tools using geometric compensation and tools formed by such methods | Fixed Constructions | 2 | Active |
| US10107040B2 | Earth-boring tool having back up cutting elements with flat surfaces formed therein and related methods | Fixed Constructions | 2 | Active |
| US9803428B2 | Earth-boring tools and components thereof including methods of attaching a nozzle to a body of an earth-boring tool and tools and components formed by such methods | Emerging Cross-Sectional Technologies | 2 | Active |
| US10072464B2 | Earth-boring tools including formation-engaging structures having retention features and related methods | Emerging Cross-Sectional Technologies | 1 | Active |
| US11098533B2 | Methods of forming downhole tools and methods of attaching one or more nozzles to downhole tools | Emerging Cross-Sectional Technologies | 1 | Active |
| US9732562B2 | Earth-boring tools having shaped cutting elements | Fixed Constructions | 0 | Active |
| US10450807B2 | Earth-boring tools having shaped cutting elements | Fixed Constructions | 0 | Active |
| US8973466B2 | Methods of forming earth-boring tools and components thereof including attaching a shank to a body of an earth-boring tool | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.