| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 241 | Flutter damper with air bleed | US20944451 | 1951-02-05 | US2758679A | 1956-08-14 | O'CONNOR BERNARD E; BENJAMIN FUENTE |
| 242 | Differential rate hydraulic fuse | US39894553 | 1953-12-18 | US2751751A | 1956-06-26 | STRAYER CHALMERS A |
| 243 | Operating the flaps of aircraft wings | US40314854 | 1954-01-11 | US2743618A | 1956-05-01 | ROMAINE WATSON HENRY; RALPH ELLIOTT FREDERICK |
| 244 | Inertia controlled flutter damper | US27697152 | 1952-03-17 | US2742113A | 1956-04-17 | O'CONNOR BERNARD E |
| 245 | Control lock mechanism | US46627154 | 1954-11-02 | US2738149A | 1956-03-13 | PEED JR GARLAND P |
| 246 | Fluid pressure operated control systems | US20412151 | 1951-01-03 | US2720865A | 1955-10-18 | JACK PERDUE |
| 247 | Servo mechanism | US22799951 | 1951-05-24 | US2714947A | 1955-08-09 | DOLUDE ROMAN J |
| 248 | Aircraft steering system and valve therefor | US39470853 | 1953-11-27 | US2707939A | 1955-05-10 | LEE WORLEY |
| 249 | Pneumatic booster | US17895250 | 1950-08-11 | US2698605A | 1955-01-04 | RALPH KRESS |
| 250 | Automatic differential flap operating device for improving stability and control characteristics of aircraft | US14268450 | 1950-02-06 | US2696954A | 1954-12-14 | MORRIS HARMON SIDNEY; SPENCER RIBNER HERBERT |
| 251 | Airfoil control apparatus responsive to aircraft speed | US16925650 | 1950-06-20 | US2696355A | 1954-12-07 | LARSON THORVOLD H; MAYER JOHN D; EDWIN PFAFMAN CALVIN; COOK JR WILLIAM H; KIRKBRIDE JOHN F |
| 252 | Aerodynamic stabilizing and controlling means for delta wing aircraft | US21237051 | 1951-02-23 | US2693325A | 1954-11-02 | LIPPISCH ALEXANDER M |
| 253 | Aircraft control | US30291752 | 1952-08-06 | US2687858A | 1954-08-31 | GRAHAM PAGE LUDOLPHUS |
| 254 | Power boost control system | US16710650 | 1950-06-09 | US2686896A | 1954-08-17 | MATHEWS WILBUR R |
| 255 | Control mechanism | US19528250 | 1950-11-13 | US2684216A | 1954-07-20 | OATES CHARLES E; BROOKSHIRE LEVI B |
| 256 | Trim tab control mechanism | US15239450 | 1950-03-28 | US2679367A | 1954-05-25 | PRIBIL RICHARD F; VERDES ESTATES PALOS; SANFORD FALBAUM |
| 257 | Hydraulic trim control | US7241249 | 1949-01-24 | US2678179A | 1954-05-11 | FEENEY THOMAS A; BROWNE EUGENE V |
| 258 | Elevator damper system | US26872252 | 1952-01-29 | US2678176A | 1954-05-11 | NORTHROP JOHN K; PARKER WARDE L; FEENEY THOMAS A |
| 259 | Aircraft tab control mechanism | US13231549 | 1949-12-10 | US2668028A | 1954-02-02 | PECK VOLNEY A |
| 260 | Balancing of aircraft control columns | US23739851 | 1951-07-18 | US2667315A | 1954-01-26 | ROMAINE WATSON HENRY; JOHN MORRIS; JAMES STAITE HAROLD |
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