| 1 | 8259000 | Reply detection in a secondary surveillance radar | G01S13/00 |
| 2 | 8102300 | Secondary surveillance radar | G01S13/00 |
| 3 | 7847722 | Secondary surveillance radar and method of analyzing replies for secondary surveillance radar | G01S13/74, G01S13/00 |
| 4 | 7746268 | Mode S secondary surveillance radar | G01S13/00 |
| 5 | 7719458 | Dual mode weather and air surveillance radar system | G01S13/95 |
| 6 | 7710308 | Mode S secondary surveillance radar system | G01S13/74 |
| 7 | 7671785 | Dual mode weather and air surveillance radar system | G01S13/95 |
| 8 | 7663531 | Secondary surveillance radar system, and ground system for use therein | G01S13/76 |
| 9 | 7570194 | High precision surveillance system by means of multilateration of secondary surveillance radar (SSR) signals | G01S13/93 |
| 10 | 7408498 | Secondary surveillance radar and its interrogation transmission method | G01S13/00, G01S7/40 |
| 11 | 7095360 | Secondary surveillance radar system ground equipment for use therein and response signal checking method applied thereto | G01S13/74 |
| 12 | 6888493 | Multi-targets detection method applied in particular to surveillance radars with multi-beamforming in elevation | G01S13/00, G01S7/292, G01S13/42, G01S13/72, G01S13/524 |
| 13 | 6819282 | Super-resolution processor/receiver to discriminate superimposed secondary surveillance radar (SSR) replies and squitter | G01S13/78, G01S13/75 |
| 14 | 6798374 | Traffic surveillance radar using ranging for accurate target identification | G01S13/00, G01S13/87, G01S13/58, G01S13/536, G01S13/92 |
| 15 | 6628225 | Reduced split target reply processor for secondary surveillance radars and identification friend or foe systems | G01S13/78, G01S1/00 |
| 16 | 6556174 | Surveillance radar scanning antenna requiring no rotary joint | H01Q3/20, H01Q19/10, H01Q19/06, H01Q3/00, H01Q19/00 |
| 17 | 6473027 | False reflected target elimination and automatic reflector mapping in secondary surveillance radar | G01S13/91, G01S7/41, G01S13/78, G01S7/02, G01S13/00 |
| 18 | 6448929 | Method and apparatus for correlating flight identification data with secondary surveillance radar data | G01S13/00, G01S5/10, G01S5/00, G01S13/91 |
| 19 | 5920277 | Secondary surveillance radar | G01S13/78, G01S13/87, G11B20/14 |
| 20 | 5659319 | Method and apparatus for operating a surface detection surveillance radar using frequency agile pulse transmissions | G01S7/02, G01S13/00, G01S13/42, G01S13/87, G01S7/292, G01S7/36, G01S13/24, G01S13/91, G01S13/02, G01S13/93 |
| 21 | 5596326 | Secondary surveillance radar interrogation system using dual frequencies | G01S13/00, G01S13/87, G01S13/78 |
| 22 | 5495249 | Ground surveillance radar device especially for airport use | G08G5/00, G08G5/06, G01S13/42, G01S7/285, G01S7/288, G01S13/02, G01S7/28, G01S13/00, G01S13/22, G01S7/282, G01S13/28, G01S13/87, G01S13/72, G01S13/91, G01S7/03, G01S13/93 |
| 23 | 5198823 | Passive secondary surveillance radar using signals of remote SSR and multiple antennas switched in synchronism with rotation of SSR beam | G01S13/00, G01S3/14, G01S3/20, G01S13/76, G01S13/78 |
| 24 | 5196855 | Secondary surveillance radar system | G01S13/87, G01S13/00, G01S13/76 |
| 25 | 5140328 | Virtual secondary surveillance radar using signals of remote SSR | G01S13/00, G01S17/02 |
| 26 | 5134409 | Surveillance sensor which is provided with at least one surveillance radar antenna rotatable about at least one first axis of rotation | G01S13/86, G01S7/495, F41G5/00 |
| 27 | 5093662 | Low altitude wind shear detection with airport surveillance radars | G01S13/95, G01S3/781 |
| 28 | 4797676 | Surveillance radar system | G01S7/04, G01S7/22, G01S7/00, G01S7/06 |
| 29 | 4786913 | Universal waveguide joint flexible coupler and arrangement for a surveillance radar antenna | H01P1/06 |
| 30 | 4758850 | Identification of ground targets in airborne surveillance radar returns | G01S7/40, G01S13/86, G01S7/41, G01S13/00, G01S7/02 |
| 31 | 4636793 | Adaptive MTD digital processor for surveillance radar | G01S13/00, G01S17/46 |
| 32 | 4608566 | Foliage-penetration surveillance radar | G01S13/44, G01S13/32, G01S13/00 |
| 33 | 4538152 | Surveillance radar system which is protected from anti-radar missiles | G01S7/35, G01S13/536, G01S13/00, G01S13/32, G01S7/02, G01S13/48 |
| 34 | 4531125 | Three-dimensional air space surveillance radar | G01S13/66, G01S13/42, G01S13/00 |
| 35 | 4334224 | Secondary surveillance radar | G01S13/00, G01S13/44, G01S13/76 |
| 36 | 4316190 | Secondary surveillance radar | G01S13/00, G01S11/12 |
| 37 | 4210357 | Vehicle having side-rear surveillance radar with antenna reflector assembled with rearview mirror | H01Q1/32, B62D35/00, B60R1/12 |
| 38 | 3959793 | Proximity indication with means for computing the distance from an own station to an interrogating secondary surveillance radar | G01S5/12, G01S13/78, G01S13/00, G01S13/93 |
| 39 | 3945005 | Surveillance radar | G01S7/02 |
| 40 | 3932871 | FM/CW surveillance radar system with range gating | G01S13/00, G01S13/64, G01S13/56 |