CH17038A
(en )
1899-03-31
Advanced tooling for the manufacture of lightweight tubes and profiles, of iron and other metals
FR355317A
(en )
1905-10-28
Improvements to installations for the manufacture of seamless metal tubes, steel and others
GB190005425A
(en )
1901-04-22
Improvements relating to the Manufacture of Iron and Steel Tubes.
GB189410948A
(en )
1895-04-06
Improvements in the Manufacture and Production of Iron or Steel Tubes and Pipes.
CH20801A
(en )
1901-03-31
Rolling mill for the production of seamless metal tubes
FR345728A
(en )
1904-12-09
Improvements in the manufacture of metal hollow articles or other malleable metal articles
ES22760A1
(en )
1898-07-01
Improvements in the manufacture of metal wheels.
CH20190A
(en )
1900-12-15
Advanced machine for the production of crosslinked metal sheets
FR477456A
(en )
1915-10-22
Rolling mill for the production of iron or steel hollow bodies
ES23542A1
(en )
1899-01-16
Improvements in the manufacture of tubes.
GB189916755A
(en )
1900-08-11
Improvements in the Manufacture of Tubes.
GB190023628A
(en )
1901-12-27
Improvements in the Manufacture of Weldless Steel Tubes, applicable also to the Manufacture of Metallic Tubes.
FR320029A
(en )
1902-11-29
Process for the manufacture at rolling mills of bars called "pinch bars", in iron and steel
CH8395A
(en )
1894-10-15
Machine for rolling thin sheets of wood for the manufacture of tubes
CH14360A
(en )
1897-11-15
Advanced briquette of ore for use in the manufacture of iron, steel or other metals
GB190206415A
(en )
1903-03-12
Improvements in the Rolling of Tubes
CA88828A
(en )
1904-08-16
Manufacture of metal tubes, rods and bars
FR342882A
(en )
1904-09-20
Manufacturing process of sheet metal, tinplate and other metal sheets
CH16762A
(en )
1899-01-31
Tools for the manufacture of lead siphons
GB189622695A
(en )
1896-11-21
Improved Means for Joining the Edges of Metal Plates or Sheets to each other, principally Useful in the Manufacture of Pipes.
GB189904025A
(en )
1900-02-17
Improvements in the Manufacture of Iron or Steel Forgings.
CH19345A
(en )
1900-06-30
Transformer-rectifier
DK1703C
(en )
1898-07-18
Procedure for Manufacturing Iron Alloys.
GB189629800A
(en )
1897-10-30
Improvements in the Manufacture of Tubes from Sheet Metal.
GB189925194A
(en )
1900-02-17
Improvements relating to the Bending of Sheet Metal.