| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 261 | Gas flame torch system with flash arresters | US204336 | 1980-11-05 | US4361420A | 1982-11-30 | Theodore F. Bell |
| For use in a welding system which uses combustible gases and the like, a flash arrester comprising a main body having an opening therethrough and including a frusto-conical seat, and a ball cage body positioned in the main body and having an axial opening therein. The ball cage body has a frusto-conical seat complementary to the first-mentioned seat of the main body. The other end of the ball cage body has axially extending slots to provide spaced axially extending fingers. The fingers have frusto-conical surfaces. A ball seat member is provided on the other end of the main body and has a frusto-conical ball seat. A ceramic ball is provided between the fingers and is freely movable between the second valve seat and the ball seat. | ||||||
| 262 | Safety device | US3711259D | 1970-03-10 | US3711259A | 1973-01-16 | GURNEY W |
| A FLAME ARRESTER WHICH COMPRISES CLOSURE MEANS FOR ALLOWING GAS TO PASS THERETHROUGH WHILE PREVENTING PASSAGE OF A FLAME AND RETAINING MEANS FOR RETAINING THE CLOSURE MEANS IN POSITION IN OR ADJACENT AN APERTURE OR PASSAGE AND IN WHICH THE CLOSURE MEANS COMPRISES A POROUS METAL AND/OR CERAMIC MATERIAL IN THE FORM OF A THREE-DIMENSIONAL NETWORK ARRANGED TO DEFINE A PLURALITY OF CELLULAR SPACED WHICH INTERCOMMUNICATE WITH ONE ANOTHER AND THE RETAINING MEANS COMPRISES A COMPRESSED PORTION OF THE THREE-DIMENSIONAL NETWORK OF THE CLOSURE MEANS. PREFERABLY THE CLOSURE MEMBER IS A RETICULATED POLYURETHANE FOAM WHICH HAS BEEN ELECTROPLATED WITH THE NICKEL OR IORN.
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| 263 | Flow system having electrostatic charge reducer | US3616815D | 1969-06-17 | US3616815A | 1971-11-02 | ERICKSON CHARLES D; CIOTTI GEORGE A |
| A FLOW SYSTEM FOR PETROLEUM PRODUCTS AND THE LIKE. AN UNSHROUDED STATIC CHARGE REDUCER TUBE IS CONNECTED IN THE STORAGE MEANS OF THE FLOW SYSTEM FOR ELIMINATING ELECTROSTATIC MEANS OF THE FLOW LIQUID FLOW. THE REDUCER IS FORMED OF A SUITABLE PLASTIC AND A PLURALITY OF PINS PROJECT INWARDLY INTO THE INTERNAL FLOW PASSAGEWAY. A CONDUCTIVE MEMBER CONNECTS THE PINS TO THE STORAGE MEANS OR SOME OTHER ELEMENT WHICH DEFINES A GROUND CONNECTION.
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| 264 | Pipeline vent cap and arrangement | US61831556 | 1956-10-25 | US2825276A | 1958-03-04 | PORTER WILLIAM V |
| 265 | Vertical vent fitting | US49825955 | 1955-03-31 | US2781941A | 1957-02-19 | LINDSAY GRIFFITH W |
| 266 | Safety system for tanks containing inflammable fluids | US64692146 | 1946-02-11 | US2552472A | 1951-05-08 | WHIDDEN THERON D |
| 267 | Combined flame arrester and vent valve | US46637742 | 1942-11-20 | US2388395A | 1945-11-06 | DUGGAN JAMES J |
| 268 | Flame arrester | US14338037 | 1937-05-18 | US2247225A | 1941-06-24 | EDWARDS JOHN R |
| 269 | Filling cap and strainer device | US3103535 | 1935-07-12 | US2093398A | 1937-09-21 | ARVINTZ ABRAHAM A |
| 270 | Flame arrester | US75166234 | 1934-11-05 | US2068421A | 1937-01-19 | LONG FRANK V; JONES HENRY A |
| 271 | Diathermic apparatus for generating short or ultra-short waves | US67152533 | 1933-05-17 | US2043422A | 1936-06-09 | KURT BERGK; JOSEF HOFMANN |
| 272 | Flame arrester for gasoline tanks | US64221032 | 1932-11-11 | US1974091A | 1934-09-18 | DIETRICH WORTMANN |
| 273 | Truck tank | US45312530 | 1930-05-17 | US1935044A | 1933-11-14 | DAVIS JR AUGUSTINE |
| 274 | Combination tank vent, flame arrester, and automatic snuffer | US47182630 | 1930-07-30 | US1929462A | 1933-10-10 | SALES WOIDICH FRANCIS |
| 275 | Vent-cap for vent-pipes, etc. | US48789730 | 1930-10-10 | US1887119A | 1932-11-08 | CORNELL JR EDWARD S |
| 276 | Vent cap | US53318331 | 1931-04-27 | US1868730A | 1932-07-26 | DOWRIE CHARLES F |
| 277 | Flame arrester | US37979629 | 1929-07-20 | US1839655A | 1932-01-05 | DOBBINS JOHN P |
| 278 | Storage box | US5227625 | 1925-08-25 | US1793118A | 1931-02-17 | MOORES CHARLES H |
| 279 | Tank vent | US18873327 | 1927-05-04 | US1719932A | 1929-07-09 | HOLTSON JAMES B |
| 280 | Flame arrester | US13579726 | 1926-09-16 | US1681698A | 1928-08-21 | BROOKS STEPHEN H |
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