FR771813A
(en )
1934-10-18
Method and apparatus for transferring gaseous substance
FR757836A
(en )
1934-01-05
Method and apparatus for bagging materials in valve bags
FR762270A
(en )
1934-04-09
Method and apparatus for mixing two fluids
FR765293A
(en )
1934-06-05
Method and apparatus for evaporating and cooling liquids
FR760836A
(en )
1934-03-03
Method and apparatus for cooling powdery materials
FR613039A
(en )
1926-11-06
Method and apparatus for forming gussets in tubes intended to constitute bags
FR765432A
(en )
1934-06-09
Apparatus for measuring the volume of air contained in containers
FR639702A
(en )
1928-06-28
Process for preventing explosions in air liquefaction and distillation apparatus
FR791636A
(en )
1935-12-14
Method and device for cooling the air drawn into breathing apparatus in open or closed cycle
FR733464A
(en )
1932-10-06
Method and apparatus for collecting and bagging cider apples
FR799943A
(en )
1936-06-23
Improvements to machines for bagging materials in valve bags or in open bags
FR770818A
(en )
1934-09-21
Apparatus for cooling milk in ordinary transport containers
FR720041A
(en )
1932-02-15
Method and apparatus for mechanically packaging determined weights of powder material in valve bags
FR795741A
(en )
1936-03-20
Method and apparatus for drying materials in vacuum
FR798483A
(en )
1936-05-18
Bagging improvements in valve bags
FR783821A
(en )
1935-07-18
Apparatus for strapping and sealing any packaging
FR751869A
(en )
1933-09-11
Method and device for removing excavated material
FR811024A
(en )
1937-04-05
New process for introducing granular or powdery materials into packaging with reduced opening, and related apparatus
FR710275A
(en )
1931-08-20
Method and device for grinding materials in tube mills
FR722930A
(en )
1932-03-30
Improved method and apparatus for drying air in coolers and the like
FR699646A
(en )
1931-02-18
Device and method for closing the valves of paper bags intended to contain cements and other powdery materials
FR778249A
(en )
1935-03-12
Method and device for drawing public attention to goods for sale
FR769293A
(en )
1934-08-23
Method and apparatus for eye examination
FR767941A
(en )
1934-07-27
Method and machine for agglomerating powdery materials
FR759712A
(en )
1934-02-07
Apparatus for teaching cosmography