Keith Moriarty
31Patents
13h-index
48Co-inventors
81Inventor score
Filing activity: Mar 22, 1982 → Nov 14, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6219301A | Pressure pulse generator for measurement-while-drilling systems which produces high signal strength and exhibits high resistance to jamming | Fixed Constructions | 70 | Expired |
| US6761230B2 | Downhole drilling apparatus and method for using same | Fixed Constructions | 49 | Expired |
| US5539225A | Accelerator-based methods and apparatus for measurement-while-drilling | Physics | 37 | Expired |
| US7552761B2 | Method and system for wellbore communication | Fixed Constructions | 34 | Active |
| US7004263B2 | Directional casing drilling | Fixed Constructions | 27 | Expired |
| US4432143A | Well logging apparatus | Physics | 26 | Expired |
| US5363931A | Drilling stabilizer | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5184692A | Retrievable radiation source carrier | Physics | 22 | Expired |
| USRE36012E | Accelerator-based methods and apparatus for measurement-while-drilling | General | 19 | Expired |
| US5631563A | Resistivity antenna shield, wear band and stabilizer assembly for measuring-while-drilling tool | Fixed Constructions | 18 | Expired |
| US8499836B2 | Electrically activating a jarring tool | Fixed Constructions | 17 | Active |
| US8827006B2 | Apparatus and method for measuring while drilling | Fixed Constructions | 15 | Active |
| US8408333B2 | Steer systems for coiled tubing drilling and method of use | Fixed Constructions | 13 | Active |
| US9206644B2 | Positive displacement motor (PDM) rotary steerable system (RSS) and apparatus | Fixed Constructions | 11 | Active |
| US5613561A | Apparatus for sealing instruments in a downhole tool | Fixed Constructions | 9 | Expired |
| US7086485B2 | Directional casing drilling | Fixed Constructions | 8 | Expired |
| US8020632B2 | Method and system for wellbore communication | Fixed Constructions | 7 | Active |
| US7123161B2 | Method and apparatus enhanced acoustic mud pulse telemetry | Fixed Constructions | 6 | Expired |
| US10145496B2 | Rotary shouldered connections and thread design | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7298285B2 | Rotary downlink system | Fixed Constructions | 4 | Expired |
| US7182153B2 | Methods of casing drilling | Fixed Constructions | 4 | Expired |
| US9217299B2 | Drilling bottom hole assembly having wireless power and data connection | Fixed Constructions | 3 | Active |
| US9945223B2 | Fatigue calculator generation system | Fixed Constructions | 2 | Active |
| US7988409B2 | Method and apparatus for extending flow range of a downhole turbine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US11066922B2 | Mounting electronics and monitoring strain of electronics | Fixed Constructions | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.