| 1 | 7414920 | Acoustic generator for distance sounding with microphone designed for efficient echo detection | G01V1/137 |
| 2 | 7397729 | Acoustic generator for distance sounding with a new and novel portal structure for the efficient firing of the pressure chamber | G01V1/37 |
| 3 | 7369461 | Acoustic transducer and underwater sounding apparatus | G01K11/00 |
| 4 | 7228934 | Acoustic generator for distance sounding with a firing mechanism independent of the pressure equilibration force | G01V1/40, G01V1/133, G01V1/00, G01V1/04, G01V1/02, G01V1/137 |
| 5 | 6856273 | Miniature radio-acoustic sounding system for low altitude wind and precipitation measurements | G01S13/00, G01S13/86, G01S13/95, G01F1/66 |
| 6 | 6755080 | Acoustic sounding | G01S15/34, G01S15/87, G01S15/58, G01S15/00, G01S15/88 |
| 7 | 5221927 | Lidar-acoustic sounding of the atmosphere | G01S15/88, G01S15/00, G01S17/95, G01S17/00, G01S13/95 |
| 8 | 5122805 | Radio acoustic sounding system for remotely determining atmospheric temperature profiles | G01S13/86, G01S13/95, G01S13/00 |
| 9 | 4750583 | Gas-gun for acoustic well sounding | G01V1/02, G01V1/40, G01V1/137, G01V1/52 |
| 10 | 4646871 | Gas-gun for acoustic well sounding | G01V1/02, G01V1/40, G01V1/137, G01V1/52 |
| 11 | 4310730 | Shielded piezoelectric acoustic pickup for mounting on musical instrument sounding boards | H04R1/00, H04R1/46 |