| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 181 | Portable fire extinguishing apparatus | US9812749 | 1949-06-09 | US2580448A | 1952-01-01 | DANIEL MAPES; THOMSEN WILLIAM A V |
| 182 | Fire extinguisher | US8228849 | 1949-03-18 | US2573320A | 1951-10-30 | ECKELMANN LUIS E |
| 183 | Fire extinguisher and perforating device | US16664650 | 1950-06-07 | US2567344A | 1951-09-11 | NEALLEY LYNN L |
| 184 | Fire extinguisher | US9332549 | 1949-05-14 | US2560407A | 1951-07-10 | STEWART BOAL |
| 185 | Fire extinguisher | US66439446 | 1946-04-23 | US2557957A | 1951-06-26 | FERGUSON VERNON E |
| 186 | Apparatus for discharging liquid by a medium stored under pressure | US73718047 | 1947-03-25 | US2547954A | 1951-04-10 | DANIEL MAPES; SCHMIDLIN ALBERTUS E |
| 187 | Check valve device | US56884244 | 1944-12-19 | US2547377A | 1951-04-03 | DE JUHASZ KALMAN JOHN |
| 188 | Fire extinguisher | US76965447 | 1947-08-20 | US2544137A | 1951-03-06 | CYPHERT ELMER E |
| 189 | Valve locking mechanism | US51725444 | 1944-01-06 | US2541073A | 1951-02-13 | KAUFMAN ADOLPH G |
| 190 | Fire extinguisher | US1555148 | 1948-03-18 | US2522962A | 1950-09-19 | REGER JOHN H |
| 191 | Pressure valve | US71070346 | 1946-11-18 | US2506449A | 1950-05-02 | GREENWOOD CLIFFORD W |
| 192 | Fluid container | US60222245 | 1945-06-29 | US2500119A | 1950-03-07 | COOPER LYLE M |
| 193 | Fire extinguisher | US62200345 | 1945-10-12 | US2472506A | 1949-06-07 | RICHARD ZIESCHANG |
| 194 | Squeeze grip for portable fire extinguishers | US2681148 | 1948-05-13 | US2454621A | 1948-11-23 | ALLEN FRANK B |
| 195 | Apparatus for discharging fluids under pressure | US52621644 | 1944-03-13 | US2417082A | 1947-03-11 | DANIEL MAPES; DU PONT EDMUND |
| 196 | Vibration preventing syphon tube support | US46287542 | 1942-10-21 | US2410763A | 1946-11-05 | UHL ARTHUR W |
| 197 | Means for stoppering and opening fluid containers | US51266643 | 1943-12-02 | US2385826A | 1945-10-02 | ANDERS MATHISEN |
| 198 | Fire extinguisher | US50278243 | 1943-09-17 | US2385449A | 1945-09-25 | WILLIAM KOEHLER |
| 199 | Fire extinguisher | US49393043 | 1943-07-08 | US2377735A | 1945-06-05 | WHITE CLIFFORD B; LINDSAY CHARLES H |
| 200 | Fire extinguisher | US47035142 | 1942-12-28 | US2371364A | 1945-03-13 | JAMES SPILIANE |
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