CH77281A
(en )
1918-04-01
Apparatus for cleaning, by means of steam, pipes and other pipe objects
FR497959A
(en )
1919-12-23
Method and apparatus for cleaning sewage pipes
FR482705A
(en )
1917-04-20
Apparatus for cleaning the smoke tubes of steam boilers
FR482927A
(en )
1917-05-11
Method and apparatus for making tubes, pipes and the like, provided with fins
FR419399A
(en )
1911-01-05
Turbine device for cleaning pipes
FR483895A
(en )
1917-08-17
Apparatus for drawing metals
FR517582A
(en )
1921-05-07
Apparatus for cleaning the outer surface of boiler tubes
FR444152A
(en )
1912-10-11
Device for the preparatory treatment of tubes for the establishment of welded elbows of superheater tubes
FR462858A
(en )
1914-02-07
Apparatus for cleaning pipes and tubes
FR538855A
(en )
1922-06-16
Apparatus for registering accounts by means of the transfer method
FR424881A
(en )
1911-05-26
Apparatus for making bands or ribbons by means of feather pipes
FR424882A
(en )
1911-05-26
Apparatus for making bands or ribbons by means of feather pipes
FR439974A
(en )
1912-06-28
Apparatus for draft beer
FR443090A
(en )
1912-09-16
Improvements to devices for cleaning or unblocking pipes, conduits, tubes and other similar objects
FR403016A
(en )
1909-10-23
Apparatus for cleaning boiler tubes
FR431755A
(en )
1911-11-20
Device for cleaning pipes, especially beer pipes
FR497357A
(en )
1919-12-04
Perspectograph, device for the mechanical determination of the perspective of an object represented by its projections
FR524817A
(en )
1921-09-10
Apparatus for plating or lining metals
FR616906A
(en )
1927-02-10
Chuck holder for lapping boiler tubes from the outside
FR533871A
(en )
1922-03-13
Sealing device for pressurized fluid pipes
FR465752A
(en )
1914-04-27
Apparatus for measuring the efficiency of steam condensers
FR452657A
(en )
1913-05-21
Removable elbow connector for single or double pipes
FR523741A
(en )
1921-08-24
Apparatus for measuring the flow of liquids
FR501268A
(en )
1920-04-08
Horizontal pipe for the exhaust of smoke and steam for railway use
FR503276A
(en )
1920-06-07
Method and apparatus for measuring angular velocities, and especially for directing artillery fire