AT52445B
(en )
1912-02-26
Forming machine for the production of hollow concrete and similar building blocks.
CH52365A
(en )
1911-11-16
Building block for the production of hollow masonry
CH65491A
(en )
1914-06-16
Process for the production of hollow stones closed on all sides
CH57481A
(en )
1913-01-02
Molding box for the production of sand, cement and cinder blocks
CH39693A
(en )
1908-04-01
Shaped stone for the production of reinforced ceilings
CH66672A
(en )
1914-10-01
Form for the production of concrete workpieces and the like.
CH50173A
(en )
1911-05-01
Process for the production of artificial stone slabs
CH51068A
(en )
1911-07-17
Process for the production of artificial stone slabs
CH68126A
(en )
1915-02-16
Shaped stone for the production of reinforced hollow concrete ceilings
CH49534A
(en )
1911-02-16
Process for the production of porous building blocks
CH65872A
(en )
1914-07-16
Process for the production of concrete or reinforced concrete piles
CH66062A
(en )
1914-08-01
Hollow stone for the production of hollow body slabs
CH48936A
(en )
1910-12-16
Scaffolding for the production of seamless walls
CH51938A
(en )
1911-10-02
Process for the production of rideaux, vitrages, blinds, blankets, Brise-Bises and the like.
CH55494A
(en )
1912-09-02
Hollow bodies for the production of ceilings
CH72151A
(en )
1916-04-01
Forming machine for the production of hollow stones
CH47074A
(en )
1910-05-16
Process for the production of hollow spherical containers from concrete
CH56286A
(en )
1912-10-16
Hollow stone for the production of well-ventilated masonry
AT68762B
(en )
1915-05-25
Machine for the production of roof tiles from cement and other suitable mixtures.
AT59262B
(en )
1913-05-26
Die setting and line casting machine for the production of mixed sets.
CH63782A
(en )
1914-02-16
Device for the production of artificial building blocks
CH44951A
(en )
1909-10-01
Machine for the production of hollow concrete bodies
CH54275A
(en )
1912-05-17
Form for the production of curved ceiling stones
CH49535A
(en )
1911-03-01
Reinforced concrete I-beams for the production of ceilings with cavities
CH47219A
(en )
1910-06-01
Stone for the production of manure drainage in floors