US2123537A
(en )
1938-07-12
Method and apparatus for spraying powder or the like
US5181804A
(en )
1993-01-26
Apparatus for conveying and discharging bulk materials
US5299888A
(en )
1994-04-05
Apparatus for conveying and discharging bulk materials
US1970405A
(en )
1934-08-14
Handling pulverized coal and the like
US2027697A
(en )
1936-01-14
Homogenizing pulverulent materials
US4875811A
(en )
1989-10-24
Apparatus and method for transporting and unloading containers
US2116603A
(en )
1938-05-10
Method of and means for transferring loose bulk material
US1566517A
(en )
1925-12-22
Ing co
US2303810A
(en )
1942-12-01
Apparatus for depositing materials
US4491442A
(en )
1985-01-01
Method and device for pneumatic feeding of materials
US1943780A
(en )
1934-01-16
Apparatus for discharging an ash hopper
US1465665A
(en )
1923-08-21
Delivery tank for powdered material
US1029273A
(en )
1912-06-11
Discharging device for bins.
US1473757A
(en )
1923-11-13
dorsey
US1852535A
(en )
1932-04-05
Material collecting and conveying system
CN113635031A
(zh )
2021-11-12
用于智能燃气表机电阀智慧生产的齿轮抓取系统及方法
US1892920A
(en )
1933-01-03
Material conveyer
US3194443A
(en )
1965-07-13
Rock duster
US2420388A
(en )
1947-05-13
Apparatus for feeding granular material into a fluid stream
CH196850A
(de )
1938-03-31
Verfahren und Einrichtung zum gleichmässigen Abziehen von mehl- oder griessförmigem Gut aus Vorratsbehältern.
US2147300A
(en )
1939-02-14
Means for handling material
US1896597A
(en )
1933-02-07
Air-control valve for pneumatic conveyers
US20090010720A1
(en )
2009-01-08
Use of air activated gravity conveyors in a continuous particulate removal process from an ESP or baghouse
US2368396A
(en )
1945-01-30
Apparatus for handling dust
US738172A
(en )
1903-09-08
Fluid-operated sander.