FR494922A
(en )
1919-09-24
Method and apparatus for spraying molten materials
FR518290A
(en )
1921-05-21
Method and apparatus for heating and vulcanizing
CH82478A
(en )
1919-10-01
Method and apparatus for spraying molten materials
FR521446A
(en )
1921-07-13
Method and apparatus for spraying materials
FR541253A
(en )
1922-07-25
Method and apparatus for testing materials
FR533361A
(en )
1922-03-01
Method and apparatus for making soaps
FR559717A
(en )
1923-09-20
Advanced method and apparatus for cooling and granulating molten slag
FR507688A
(en )
1920-09-21
Method and apparatus for the projection of colored films
FR524359A
(en )
1921-09-02
Method and apparatus for dispensing molten glass
FR495566A
(en )
1919-10-11
Improved method and apparatus for the manufacture of glass cylinders
FR528102A
(en )
1921-11-07
Method and apparatus for the production of bleaching carbon
FR524022A
(en )
1921-08-29
Improved method and apparatus for revising logs
FR514059A
(en )
1921-03-02
Method and apparatus for dispensing and dosing molten glass
FR496653A
(en )
1919-11-13
Heating method and apparatus for its realization
FR503948A
(en )
1920-06-21
Method and apparatus for making hollow stones
FR498530A
(en )
1920-01-14
Method and apparatus for the production of lead salts
FR497469A
(en )
1919-12-06
Casting method and apparatus
FR554917A
(en )
1923-06-19
Method and apparatus for casting and cooling castings formed from molten materials
FR547163A
(en )
1922-12-02
Method and apparatus for the melting of refractory substances and in particular for the manufacture of cements by melting
FR507655A
(en )
1920-09-21
Method and apparatus for determining the position of dies in type melting machines
FR497084A
(en )
1919-11-25
Method and apparatus for the preparation and application of concrete
FR506067A
(en )
1920-08-13
Method and apparatus for screening or sieving materials
FR528882A
(en )
1921-11-19
Method and apparatus for the manufacture of agglomerates of all models
FR530207A
(en )
1921-12-17
Method and apparatus for measuring heights of superimposed liquids of different densities
FR529048A
(en )
1921-11-22
Method and apparatus for obtaining powdered zinc