Ratan Khatwa
53Patents
12h-index
57Co-inventors
87Inventor score
Filing activity: Jun 26, 2000 → Apr 20, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6469664B1 | Method, apparatus, and computer program products for alerting surface vessels to hazardous conditions | Emerging Cross-Sectional Technologies | 154 | Expired |
| US6750815B2 | Method, apparatus, and computer program products for alerting surface vessels to hazardous conditions | Emerging Cross-Sectional Technologies | 61 | Expired |
| US6734808B1 | Method, apparatus and computer program products for alerting submersible vessels to hazardous conditions | Emerging Cross-Sectional Technologies | 45 | Expired |
| US7117089B2 | Ground runway awareness and advisory system | Physics | 39 | Expired |
| US7206698B2 | Ground operations and imminent landing runway selection | Physics | 26 | Expired |
| US6983206B2 | Ground operations and imminent landing runway selection | Physics | 20 | Expired |
| US8145367B2 | Closed airport surface alerting system | Physics | 20 | Active |
| US10713960B1 | Presentation of 2D and 3D assisted visual separation information | Physics | 19 | Active |
| US7702461B2 | Ground operations and imminent landing runway selection | Physics | 17 | Expired |
| US9517844B2 | System and method for displaying airport features on a dynamic airport moving map display | Physics | 13 | Active |
| US7363145B2 | Ground operations and imminent landing runway selection | Physics | 13 | Expired |
| US7079951B2 | Ground operations and imminent landing runway selection | Physics | 12 | Expired |
| US9710218B2 | Vertical profile display including hazard band indication | Emerging Cross-Sectional Technologies | 10 | Active |
| US8417397B2 | Vertical profile display with variable display boundaries | Physics | 10 | Active |
| US7688254B2 | Display of high-cruise-altitude weather | Emerging Cross-Sectional Technologies | 9 | Active |
| US10037124B2 | Vertical profile display including weather icons | Emerging Cross-Sectional Technologies | 7 | Active |
| US7411541B2 | Systems and methods for presenting vertical weather information on plan view displays | Emerging Cross-Sectional Technologies | 6 | Active |
| US9547993B2 | Automated aircraft ground threat avoidance system | Physics | 6 | Active |
| US7403132B2 | System and method for management of a ground obstacle display | Physics | 6 | Expired |
| US8395541B2 | Enhanced alerting of characteristic weather hazards | Emerging Cross-Sectional Technologies | 4 | Active |
| US8665133B2 | Methods and systems for presenting weather hazard information on an in-trail procedures display | Emerging Cross-Sectional Technologies | 4 | Active |
| US7551990B2 | System and method for management of a ground obstacle display | Physics | 4 | Active |
| US8599045B2 | Systems and methods for enhanced awareness of clearance from conflict for surface traffic operations | Physics | 3 | Active |
| US8478461B2 | Closed airport surface alerting system | Physics | 3 | Active |
| US10140876B2 | Systems and methods for enhanced awareness of obstacle proximity during taxi operations | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.