AT25743B
(en )
1906-09-25
Method for soldering the overlapping points of tubes made of helically wound metal strips.
CH44706A
(en )
1909-09-01
Pipe bending pliers
FR369246A
(en )
1907-01-05
Metal clip
CH41737A
(en )
1908-11-16
Method for dressing the end faces of clay tubes
AT46651B
(en )
1911-02-25
Process for the manufacture of tubes.
CH43969A
(en )
1909-07-01
Pipe clamp
CH63630A
(en )
1914-02-02
Process for the production of hollow bodies from metal plates by welding or soldering them together
CH37929A
(en )
1907-08-31
Device for one-sided painting of metal strips
CH41792A
(en )
1908-11-16
Method of drawing metal dials
CH49167A
(en )
1911-01-16
Metal hose
CH37781A
(en )
1907-07-31
Hollow metal wire
AT68005B
(en )
1915-02-25
Process for rolling metal.
AT68020B
(en )
1915-02-25
Process for welding copper and nickel.
DK17300C
(en )
1913-05-19
Method and Machine for Manufacturing Metal Pipes from a Metal Strip.
DK12809C
(en )
1909-12-27
Method for Manufacturing Uniform Metal Coatings.
CH42922A
(en )
1909-03-16
Method for soldering aluminum
CH47008A
(en )
1910-05-02
Process for the manufacture of pipes from sheet iron
CH61744A
(en )
1913-10-16
Process for hardening metals
CH48976A
(en )
1910-12-16
Process for making objects having metal surfaces bright
CH44703A
(en )
1909-09-01
Process for the autogenous welding of metals
ES44822A1
(en )
1909-03-01
An apparatus for making metal pipes.
AT46702B
(en )
1911-02-25
Process for the electrodeposition of copper.
FR444016A
(en )
1912-10-08
Manual tool for bending and shaping wire, metal rods, etc.
CH38364A
(en )
1907-10-15
Machine for the production of tubes from helically wound metal strips
FR401573A
(en )
1909-09-03
Metallic non-slip