Keith S. Pickens
16Patents
10h-index
22Co-inventors
72Inventor score
Filing activity: Mar 16, 1993 → Aug 26, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5539649A | Automated design and manufacture of artificial limbs | Emerging Cross-Sectional Technologies | 187 | Expired |
| US7133511B2 | Telephony security system | Electricity | 53 | Expired |
| US6700964B2 | Encapsulation, compression and encryption of PCM data | Electricity | 44 | Expired |
| US6760420B2 | Telephony security system | Electricity | 39 | Expired |
| US6735291B1 | Virtual private switched telephone network | Electricity | 39 | Expired |
| US7440558B2 | Telephony security system | Electricity | 24 | Expired |
| US7231027B2 | Encapsulation, compression, and encryption of PCM data | Electricity | 17 | Expired |
| US5895439A | Method for generating and displaying complex data derived from non-destructive evaluation scanning | Physics | 17 | Expired |
| US6718024B1 | System and method to discriminate call content type | Electricity | 12 | Expired |
| US6687353B1 | System and method for bringing an in-line device on-line and assuming control of calls | Electricity | 12 | Expired |
| US6879671B2 | Virtual private switched telecommunications network | Electricity | 10 | Expired |
| US8150013B2 | Telephony security system | Electricity | 5 | Active |
| US5507185A | Adaptive scanning technique for ultrasonic testing utilizing realtime lift-off detection | Physics | 4 | Expired |
| USH1793H | Thermal transient test system | General | 4 | Active |
| US7979288B2 | Automated interpretation of medical prescription text | Physics | 2 | Active |
| US9461642B1 | Radiation-tolerant high-speed high-voltage pulser | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.