CH70795A
(en )
1915-11-01
Method and device for pulling the inner half of a pipe bend consisting of two longitudinal parts with lateral seams
CH69295A
(en )
1915-06-16
Device with a drain pipe provided with a colander for removing the colander
CH58724A
(en )
1913-04-01
Method of closing the longitudinal seam of pipes with the help of resistance welding
CH61238A
(en )
1913-09-16
Method and device for melting and soldering with compressed gases
CH63698A
(en )
1914-02-16
Method and device for sealing gas pipes
CH73671A
(en )
1916-11-01
Method and device for cleaning pipes and hoses
CH65418A
(en )
1914-06-16
Procedure for erecting a mast and for carrying out the procedure suitable mast
CH62996A
(en )
1914-01-02
Device on vehicles with coupling for carrying the latter
AT63687B
(en )
1914-02-25
Method and device for connecting the thread ends of warps.
CH74842A
(en )
1917-04-16
Disintegrator-like device for washing and cooling gases with the aid of a liquid
CH60305A
(en )
1913-07-01
Method and device for tying the lock onto a thread
CH58250A
(en )
1913-03-01
Device for achieving a uniform longitudinal seam in electrically welded pipes
CH63395A
(en )
1914-01-16
Tool for straightening pipes
CH63800A
(en )
1914-03-02
Method and device for connecting the thread ends of warps
CH72462A
(en )
1916-06-02
Device for the mechanical spreading of sand
CH56661A
(en )
1912-11-16
Method and device for modeling
NL1159C
(en )
1916-03-01
Improvement on collar blocks and similar pressure-absorbing machine parts
CH73308A
(en )
1917-02-01
Method and device for laying earth mines
CH72856A
(en )
1916-07-17
Process for drawing thin-walled pipes
CH63394A
(en )
1914-01-16
Method and device for the production of welded pipes
CH58249A
(en )
1913-03-01
Device for closing the longitudinal seam of pipes by means of electrical resistance welding
CH51918A
(en )
1911-10-02
Device for cleaning the joint ends of drainage pipes
CH66760A
(en )
1914-10-01
Method and device for counting objects of approximately the same size
CH66759A
(en )
1914-10-01
Method and device for counting objects of approximately the same size
CH58188A
(en )
1913-02-17
Method and device for closing barrel bung holes