CH63048A
(en )
1914-01-02
Process for the production of concrete bodies in coarse stone rubble and dam wall constructed according to this process
CH64660A
(en )
1914-04-16
Process for the production of artificial stones and artificial stone slabs and plant for carrying out the process
CH66966A
(en )
1914-11-02
Process for the production of homogeneous pressed concrete piles
CH65872A
(en )
1914-07-16
Process for the production of concrete or reinforced concrete piles
CH67851A
(en )
1915-01-16
Process for the production of marble-like artificial stone slabs
CH51068A
(en )
1911-07-17
Process for the production of artificial stone slabs
CH50173A
(en )
1911-05-01
Process for the production of artificial stone slabs
CH65491A
(en )
1914-06-16
Process for the production of hollow stones closed on all sides
CH60721A
(en )
1913-08-01
Process for the extraction of shaped stones in quarries
CH61865A
(en )
1913-10-16
Process and device for the production of molded artificial stone
CH66072A
(en )
1914-08-01
Mold for the mass production of alluvial stones
CH67201A
(en )
1914-11-16
Process for the manufacture of cement asbestos bricks and the like
CH62274A
(en )
1913-11-17
Process for the production of hollow bodies from concrete
CH52149A
(en )
1911-11-01
Process for the production of bodies that imitate wood or stone cuts
CH69997A
(en )
1915-08-02
Process for the reproduction of noble types of stone, majolica and clay tiles
FR12726E
(en )
1910-11-08
Improvement in the manufacture of artificial stones
CH58846A
(en )
1913-04-01
Process for the production of railings from reinforced concrete
CH67854A
(en )
1915-04-01
Process for the manufacture of concrete piles
CH58857A
(en )
1913-04-01
Process for the production of artificial stones
CH59610A
(en )
1913-06-02
Process for the production of artificial stones
CH61357A
(en )
1913-09-16
Process for the production of artificial stones
CH65479A
(en )
1914-06-16
Stone sleeve and method of making the same
CH53534A
(en )
1912-03-01
Method and device for the production of stone slabs
FR18331E
(en )
1914-03-23
Improvements in kilns for the manufacture of tiles, pottery and the like
CH63964A
(en )
1914-03-02
Process for the production of cement in rotary kilns