| 81 |
Conveying apparatus for powdered cement |
US72348158 |
1958-03-24 |
US2946627A |
1960-07-26 |
EMILIO POLZINETTI |
|
| 82 |
Pneumatic conveying method and system |
US66422757 |
1957-06-07 |
US2919159A |
1959-12-29 |
SERAPHIN LACROIX |
|
| 83 |
Means for conveying powdery material in fine distribution, particularly for use in flash die casting |
US56672556 |
1956-02-20 |
US2825605A |
1958-03-04 |
HANS BIEL; RUNWALT KUHFUSS; WALDEMAR RASCHKE |
|
| 84 |
Arrangement for controlling the throughput of a fine pulverulent material through a port |
US47959755 |
1955-01-03 |
US2817561A |
1957-12-24 |
PLANIOL RENE JACQUES HENRI |
|
| 85 |
Blower guard |
US45917454 |
1954-09-29 |
US2800369A |
1957-07-23 |
SNOW RAYMOND M |
|
| 86 |
Apparatus for feeding pulverulent material |
US41355954 |
1954-03-02 |
US2742328A |
1956-04-17 |
JENS SYLVEST KARL |
|
| 87 |
Portable materials collector |
US23726951 |
1951-07-17 |
US2708489A |
1955-05-17 |
JAMES STOKOE |
|
| 88 |
Materials moving apparatus |
US23063151 |
1951-06-08 |
US2679973A |
1954-06-01 |
BERG JOHN W |
|
| 89 |
Pneumatic conveyer system |
US311448 |
1948-01-19 |
US2634170A |
1953-04-07 |
SMITH BENJAMIN F |
|
| 90 |
Pneumatic elevator and conveyer for pulverulent material |
US75576647 |
1947-06-19 |
US2544534A |
1951-03-06 |
REGINALD JACKSON |
|
| 91 |
Material feeder |
US68693746 |
1946-07-29 |
US2518514A |
1950-08-15 |
ANDERSON WILLIAM E |
|
| 92 |
Unloading and loading apparatus |
US57365845 |
1945-01-20 |
US2417700A |
1947-03-18 |
MCCARTY EVERETT B |
|
| 93 |
Forced draft conveyer |
US56856744 |
1944-12-18 |
US2381762A |
1945-08-07 |
MCCONKLE CHARLES C |
|
| 94 |
Grain blower attachment |
US49232743 |
1943-06-25 |
US2363589A |
1944-11-28 |
JOHN HOLLAND-LETZ |
|
| 95 |
Pneumatic conveyer |
US42158641 |
1941-12-04 |
US2301350A |
1942-11-10 |
WHITFIELD JOSEPH E |
|
| 96 |
Means for handling material |
US33942640 |
1940-06-08 |
US2274708A |
1942-03-03 |
KENNEDY JOSEPH E |
|
| 97 |
Handling pulverized coal and the like |
US21021827 |
1927-08-03 |
US1970405A |
1934-08-14 |
THOMAS JOHN W |
|
| 98 |
Apparatus for conveying sugars and other granular or comminuted materials |
US65807033 |
1933-02-23 |
US1957224A |
1934-05-01 |
NEUMAN JACOB J; NEUMAN HARRY G |
|
| 99 |
Material handling apparatus |
US64625032 |
1932-12-08 |
US1928632A |
1933-10-03 |
GWYNN ROBINSON EVELYN |
|
| 100 |
Material handling apparatus |
US51146231 |
1931-01-27 |
US1922330A |
1933-08-15 |
ROBINSON EVELYN G |
|
