| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 161 | Air propeller | US61729532 | 1932-06-15 | US1968918A | 1934-08-07 | JOSEPH TOTH |
| 162 | Propeller | US57031531 | 1931-10-22 | US1943571A | 1934-01-16 | WILLIAMSON JAMES H |
| 163 | Aircraft propulsion | US49534930 | 1930-11-13 | US1929690A | 1933-10-10 | HUNTMAN CHARLES B |
| 164 | Airplane propeller | US56722831 | 1931-10-06 | US1923325A | 1933-08-22 | JOSE OSTRIA; DE MAY RAY |
| 165 | Airplane propeller | US32001128 | 1928-11-17 | US1880995A | 1932-10-04 | JOHN SQUIRES |
| 166 | Screw-propeller for flying machines and other aerodynamics apparatus | US54550931 | 1931-06-19 | US1861065A | 1932-05-31 | PHILIPPE POOT |
| 167 | Charles francis jenkins | US1858048D | US1858048A | 1932-05-10 | ||
| 168 | Airplane propeller | US49788230 | 1930-11-24 | US1850452A | 1932-03-22 | FRITZ JOHN F |
| 169 | Propeller | US44513430 | 1930-04-17 | US1846256A | 1932-02-23 | HAVILL CLINTON H |
| 170 | Iron-nickel-copper alloy | US31999828 | 1928-11-16 | US1805049A | 1931-05-12 | PILLING NORMAN B |
| 171 | Winged screw propeller for aircraft | US36807229 | 1929-06-03 | US1801216A | 1931-04-14 | GEORGE ANDERSON |
| 172 | Airplane propeller blade | US37506029 | 1929-07-01 | US1799745A | 1931-04-07 | GUNN CHARLES H |
| 173 | Propeller for flying machines | US39122129 | 1929-09-09 | US1792758A | 1931-02-17 | OCTIVE PIAMPIANO |
| 174 | Aircraft propeller | US32833628 | 1928-12-26 | US1758560A | 1930-05-13 | CURRIE GAIL G |
| 175 | Propeller | US22799627 | 1927-10-22 | US1748610A | 1930-02-25 | PETER MARCZYNSKI |
| 176 | Airship propeller | US66734923 | 1923-10-08 | US1532158A | 1925-04-07 | SANFORD GEORGE H |
| 177 | Aeronautical propeller | US57013922 | 1922-06-22 | US1518410A | 1924-12-09 | ALBERT REED SYLVANUS |
| 178 | Propeller | US42000020 | 1920-10-27 | US1460230A | 1923-06-26 | DE MONGE LOUIS |
| 179 | Propeller | US26405018 | 1918-11-25 | US1427307A | 1922-08-29 | MAKENNEY ROY C |
| 180 | Screw propeller and the like | US53095222 | 1922-01-21 | US1423113A | 1922-07-18 | ALBERT HOLLE ALEXANDER |
QQ群二维码
意见反馈
意见反馈