CH215365A
(en )
1941-06-30
Method and device for the production of fibers from glass, slag or similar substances that are plastic in heat.
CH201230A
(en )
1938-11-30
Method and device for the production of glass threads.
FR732900A
(en )
1932-09-27
Method and device for graining compressed materials in the form of fragments
CH190667A
(en )
1937-05-15
Manufacturing process of tiles and slabs and device for carrying out the process.
AT158024B
(en )
1940-02-26
Method and device for hardening or compacting glass or similar material in the form of thin plates or panes.
AT290042B
(en )
1971-05-10
Method and device for hardening glass or vitro-crystalline material
FR816132A
(en )
1937-07-30
Dowsing process and apparatus
CH209603A
(en )
1940-04-30
Method and device for hardening glass plates and other glass objects.
CH217716A
(en )
1941-11-15
Method and device for heating and shaping objects made of glass.
CH205474A
(en )
1939-06-30
Method and device for producing threads from glass and similar masses which are plasticized in heat.
CH196026A
(en )
1938-02-28
Method and device for the production of digit rollers, drive wheels, etc.
CH158174A
(en )
1932-11-15
Method and device for the production of road surfaces.
AT139806B
(en )
1934-12-10
Process for the continuous grinding and polishing of glass plates.
FR798455A
(en )
1936-05-18
Method and device for the production of concrete road surfaces
CH344819A
(en )
1960-02-29
Method and device for producing multiple glass panes
CH201365A
(en )
1938-11-30
Device for surface treatment or for crushing lubricating substances.
FR704576A
(en )
1931-05-22
Improved method and apparatus for working the edges of glass sheets
DK50802C
(en )
1935-10-21
Method and Apparatus for the production of molded materials in the form of regular pieces.
AT157965B
(en )
1940-02-26
Method and device for the production of rubber threads.
DK34249C
(en )
1925-03-09
Method and Apparatus for Making Glass in the Form of Plates.
AT140711B
(en )
1935-02-25
Method for fastening slotted bushings in bores and devices for carrying out the same.
CH189443A
(en )
1937-02-28
Method and device for determining the strength of substances which can be crushed by grinding.
FR824408A
(en )
1938-02-08
Method and device for the manufacture of building materials of elongated shape
CH195886A
(en )
1938-02-28
Method and device for compacting the bedding of sleepers.
GB518106A
(en )
1940-02-16
Improvements in or relating to hardening or tempering glass plates and articles