FR746566A
(en )
1933-06-01
Method and apparatus for temperature control in annealing furnaces
FR774475A
(en )
1934-12-07
Process for cooling glass
FR771813A
(en )
1934-10-18
Method and apparatus for transferring gaseous substance
FR768886A
(en )
1934-08-14
Method and apparatus for cooling glass
FR819677A
(en )
1937-10-23
Method and apparatus for making cylinders or tubes and glass
FR766876A
(en )
1934-07-05
Improved method and apparatus for circulating glass in glass furnace manifolds
FR778820A
(en )
1935-03-25
Advanced glass for rods and supports used in the constitution of electric lamps
FR770242A
(en )
1934-09-11
Method and apparatus for vertical drawing of sheet glass
FR777269A
(en )
1935-02-15
Method and apparatus for preheating and thermal treatment in aluminothermy
FR764454A
(en )
1934-05-22
Method and apparatus for treating pavements and other smooth surfaces
FR783354A
(en )
1935-07-11
Method and device for shrinking tubes
FR770119A
(en )
1934-09-08
Improved method and apparatus for cooling glass articles
FR748782A
(en )
1933-07-08
Improved Electroplating Method and Apparatus
FR778866A
(en )
1935-03-26
Improved method and apparatus for annealing glass
FR44279E
(en )
1934-12-13
Method and device for accelerating cooling in electrically heated annealing furnaces
FR773237A
(en )
1934-11-14
Method and apparatus for drawing glass tubes
FR730194A
(en )
1932-08-08
Method and apparatus for circulating glass in discharge basins of glass furnaces
FR765765A
(en )
1934-06-15
Method and device for carbonization or heat treatment
FR718530A
(en )
1932-01-26
Method and apparatus for feeding filler mixtures into glass furnaces
FR800531A
(en )
1936-07-07
Improved method and apparatus for tempering glass objects
FR765157A
(en )
1934-06-04
Method and installation for the heat treatment of rails and similar bars and resulting parts
FR766496A
(en )
1934-06-28
Method and device for retort furnaces and chamber furnaces
FR728077A
(en )
1932-06-29
Method and apparatus for making glass plates
FR810380A
(en )
1937-03-20
Method and device for the heat treatment of ingots
FR776004A
(en )
1935-01-15
Improved method and apparatus for the intermittent manufacture of laminated glass plates