CH69764A
(en )
1915-07-16
Cylindrical metal packing for absorption and reaction towers
FR542902A
(en )
1922-08-24
Cylindrical sheet metal filler for gas scrubbers, reaction towers and similar devices
CH73886A
(en )
1916-12-01
Cylindrical packing for absorption and reaction towers
CH73885A
(en )
1916-12-01
Cylindrical packing for absorption and reaction towers
CH67463A
(en )
1914-12-01
Pliers for fire brigade
AT74409B
(en )
1918-06-25
Metal rung for glass roofs and skylights.
AT70431B
(en )
1915-11-10
Splash plates for chimney coolers, graduation towers and the like.
FR472291A
(en )
1914-11-27
Improvements to towers to prevent grazing
ES57897A1
(en )
1914-05-16
A process to produce nitric and sulfuric acid or oxygen and sulfur compounds that contain nitrogen.
CH45032A
(en )
1909-11-16
Cold circular saw for metal
FR475632A
(en )
1915-06-01
Metal seal
FR519045A
(en )
1921-06-03
Improvements to metal constructions
AT71227B
(en )
1916-02-25
Clip for tear-off blocks.
FR469475A
(en )
1914-08-01
Improvements to metal box springs
CH69131A
(en )
1915-05-17
Rack for hydropower plants
CH69013A
(en )
1915-05-01
Calipers designed for collapsible rulers
FI4848A
(en )
1912-05-17
Paw for metal equipment
FR470693A
(en )
1914-09-24
Metal alloy
FR476968A
(en )
1915-09-15
Harmonic eliminator
ES59546A3
(en )
1915-02-16
Procedure to manufacture flattened metal bottles.
CH68836A
(en )
1915-05-01
Drawing frame for lithographers
DK22049C
(en )
1917-03-21
Fillers for the Absorption and Reaction Towers.
CH68559A
(en )
1915-06-01
Fuse for gas hose connections
CH58599A
(en )
1913-03-17
Forged metal radiators
CH69544A
(en )
1915-07-01
Superheater for vapors and gases