| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 221 | Ventilated wall structure for dry seal gasholders | US7127349 | 1949-01-17 | US2579891A | 1951-12-25 | WIGGINS JOHN H |
| 222 | Dry seal pressure type gas holder | US3779648 | 1948-07-09 | US2579776A | 1951-12-25 | ALLEN JOHN W |
| 223 | Dry seal pressure type gas holder | US75243447 | 1947-06-04 | US2554767A | 1951-05-29 | ALLEN JOHN W |
| 224 | Lifter roof | US62539945 | 1945-10-29 | US2541090A | 1951-02-13 | ORR CLIFFORD M; GOLDSBY FRED L |
| 225 | Balancing or leveling mechanism for fluid storage apparatus | US9227649 | 1949-05-10 | US2540312A | 1951-02-06 | ALLEN JOHN W |
| 226 | Gas holder | US62621045 | 1945-11-02 | US2525758A | 1950-10-17 | ALLEN JOHN W |
| 227 | Fluid storage apparatus | US57467745 | 1945-01-26 | US2494601A | 1950-01-17 | WIGGINS JOHN H |
| 228 | Gas holder | US75939047 | 1947-07-07 | US2491013A | 1949-12-13 | NOLL PAUL E; CRAWFORD CHARLES W |
| 229 | Dry seal pressure type gas holder | US78657847 | 1947-11-18 | US2487998A | 1949-11-15 | WIGGINS JOHN H |
| 230 | Gas holder | US55622844 | 1944-09-28 | US2478731A | 1949-08-09 | WIGGINS JOHN H |
| 231 | Tank top | US55728844 | 1944-10-05 | US2452146A | 1948-10-26 | PLUMMER FRED L |
| 232 | Fluid storage apparatus | US53225944 | 1944-04-22 | US2424471A | 1947-07-22 | LAIRD WILBUR G |
| 233 | Pressure control mechanism for fluid storage apparatus | US51561443 | 1943-12-24 | US2415322A | 1947-02-04 | WIGGINS JOHN H |
| 234 | Sealing means for the piston of a gasholder | US43709642 | 1942-03-31 | US2371966A | 1945-03-20 | LIESE HERMAN H; BRINKMAN HERBERT C |
| 235 | Safety valve for storage tank roofs | US42707042 | 1942-01-16 | US2370040A | 1945-02-20 | JACKSON JAMES O |
| 236 | Lifter roof | US42087941 | 1941-11-28 | US2369581A | 1945-02-13 | LARSON DONALD E |
| 237 | Counterbalancing means for expansion roofs | US40683741 | 1941-08-14 | US2360692A | 1944-10-17 | LARSEN THYGE O |
| 238 | Lifter roof | US42217541 | 1941-12-08 | US2345174A | 1944-03-28 | BAILEY OTTERBEIN A |
| 239 | Lifter roof | US42029141 | 1941-11-24 | US2339997A | 1944-01-25 | LARSON DONALD E |
| 240 | Gas holder | US36383640 | 1940-11-01 | US2337010A | 1943-12-14 | WIGGINS JOHN H |
QQ群二维码
意见反馈
意见反馈