CH58346A
(en )
1913-03-01
Form for the production of objects from artificial stone mass, concrete and the like.
AT68762B
(en )
1915-05-25
Machine for the production of roof tiles from cement and other suitable mixtures.
CH60278A
(en )
1913-07-01
Machine for the production of roof tiles and other plate-shaped objects made of cement etc.
CH57481A
(en )
1913-01-02
Molding box for the production of sand, cement and cinder blocks
AT52445B
(en )
1912-02-26
Forming machine for the production of hollow concrete and similar building blocks.
CH42844A
(en )
1909-03-01
Stamping machine for the production of bodies from concrete and the like.
CH66672A
(en )
1914-10-01
Form for the production of concrete workpieces and the like.
CH56979A
(en )
1912-12-02
Beam-shaped building made of concrete for the production of ceilings and walls
CH54275A
(en )
1912-05-17
Form for the production of curved ceiling stones
CH64525A
(en )
1914-04-01
Method of making wire nails and the like without waste
AT52442B
(en )
1912-02-26
Device for producing roof panels and the like from cement mortar or similar material.
CH39693A
(en )
1908-04-01
Shaped stone for the production of reinforced ceilings
ES51158A1
(en )
1912-01-16
Improvements in the manufacture of cement tiles and other materials.
CH47219A
(en )
1910-06-01
Stone for the production of manure drainage in floors
CH44322A
(en )
1909-07-16
Artificial stone
CH39697A
(en )
1908-04-01
Form for the manufacture of concrete poles
CH69997A
(en )
1915-08-02
Process for the reproduction of noble types of stone, majolica and clay tiles
CH56286A
(en )
1912-10-16
Hollow stone for the production of well-ventilated masonry
CH71779A
(en )
1916-02-16
Adjustable mold for the production of steps and the like from artificial stone mass
CH63782A
(en )
1914-02-16
Device for the production of artificial building blocks
CH61636A
(en )
1913-10-16
Construction element for the production of sound-absorbing walls, as well as the method and shape for its production
CH65479A
(en )
1914-06-16
Stone sleeve and method of making the same
CH58604A
(en )
1913-03-17
Device for the production of blocks from brick or other mass
CH52365A
(en )
1911-11-16
Building block for the production of hollow masonry
CH72465A
(en )
1916-05-16
Machine for the production of pipes from cement, concrete etc.