CH64415A
(en )
1914-04-01
Formwork device for the production of concrete structures
FR475147A
(en )
1915-04-16
Molds for the construction of concrete buildings
CH66966A
(en )
1914-11-02
Process for the production of homogeneous pressed concrete piles
FR468656A
(en )
1914-07-11
Apparatus for the manufacture of concrete piles
CH63782A
(en )
1914-02-16
Device for the production of artificial building blocks
CH76516A
(en )
1918-01-02
Formwork construction for the production of monolithic concrete buildings
CH76517A
(en )
1918-01-02
Formwork construction for the production of monolithic concrete buildings
CH76518A
(en )
1918-01-02
Formwork construction for the production of monolithic concrete buildings
CH65872A
(en )
1914-07-16
Process for the production of concrete or reinforced concrete piles
CH57468A
(en )
1913-01-16
Cement slab
CH72600A
(en )
1916-06-02
Driving pipe for the production of concrete piles
CH58592A
(en )
1913-03-17
Formwork for the production of concrete ceilings
CH56769A
(en )
1912-11-16
Reinforced concrete beams for making ceilings
FR466343A
(en )
1914-05-09
Advanced concrete mixer
CH60699A
(en )
1913-08-01
Ceiling block for the production of reinforced concrete solid ceilings
CH52365A
(en )
1911-11-16
Building block for the production of hollow masonry
CH68126A
(en )
1915-02-16
Shaped stone for the production of reinforced hollow concrete ceilings
FR453285A
(en )
1913-06-04
Formwork for concrete structures
CH66451A
(en )
1914-09-16
Building bricks
CH68277A
(en )
1915-03-16
Reinforced concrete slab
CH59822A
(en )
1913-06-02
Iron-reinforced concrete slab
CH64428A
(en )
1914-04-01
Pouring stone
FR475106A
(en )
1915-04-16
Molds for the construction of monolithic buildings
CH73661A
(en )
1916-11-01
Device for the production of concrete steps
CH67854A
(en )
1915-04-01
Process for the manufacture of concrete piles