FR703981A
(en )
1931-05-08
Improvements in processes for the removal of combustible constituents from combustion products
FR694035A
(en )
1930-11-27
Improvements in gas mixture separation processes
FR643188A
(en )
1928-09-11
Methods and apparatus for making small balls or boules
FR685754A
(en )
1930-07-17
Improvements to processes and devices for collecting dust
FR608750A
(en )
1926-08-02
Improvements in processes and apparatus for handling coal or other similar materials
FR661660A
(en )
1929-07-29
Improvements to molded objects and to the processes and apparatus for manufacturing them
FR638170A
(en )
1928-05-18
Articulated system for conveyor and similar shaking devices
FR603560A
(en )
1926-04-19
Apparatus for scraping and scraping ceilings or the like
FR699404A
(en )
1931-02-14
New methods and apparatus for working glass surfaces and the like
FR614761A
(en )
1926-12-22
Chain improvements for jewelery and the like
FR603417A
(en )
1926-04-15
Improvements in apparatus for volumetrically measuring granular, powdery and similar materials
FR703502A
(en )
1931-05-01
Screening apparatus for coal and similar materials
FR613411A
(en )
1926-11-17
Material handling processes
FR599244A
(en )
1926-01-07
Conveyor device for bulk materials
FR37243E
(en )
1930-11-03
Improvement in apparatus and processes for the concentration of minerals
FR629355A
(en )
1927-11-09
Improvement in apparatus intended for grinding coal or other materials
FR628606A
(en )
1927-10-26
Device for handling coal or other materials
FR33669E
(en )
1928-11-29
Improvements to methods and apparatus for radiovision
FR609174A
(en )
1926-08-10
Improvements in processes and machines for reducing or pulverizing coal and other materials
FR584940A
(en )
1925-02-18
Improvements in apparatus for the distillation of carbonaceous materials
FR650971A
(en )
1929-02-13
Classification apparatus for coals, ores and the like
FR662830A
(en )
1929-08-12
Methods and devices for packaging the resulting sheets and bundles of sheets
FR656263A
(en )
1929-05-06
Method and apparatus for the separation of constituents from powdery or granular materials and, in particular, coal
FR616812A
(en )
1927-02-09
Apparatus and methods for filtration
FR731986A
(en )
1932-09-10
Apparatus for determining the progression and cutting of target strips used in shot recording devices