CH72343A
(en )
1916-08-16
Power plant for operating motorized land and water vehicles
CH75473A
(en )
1917-08-01
Device for milling trains in hollow bodies
CH71812A
(en )
1916-02-16
Device for purifying water
CH73737A
(en )
1916-11-16
Means of facilitating the carrying of rifles
CH71672A
(en )
1916-02-01
Plant for heating greenhouses
CH75317A
(en )
1917-07-16
Sewage treatment plant for process water from hydropower plants
CH73580A
(en )
1916-10-16
Equipment for the mechanical treatment of waste water in sewage treatment plants
CH75812A
(en )
1918-02-16
Device for sweeping in and out of gear drives
CH70190A
(en )
1915-09-01
Arrangement for the discharge of ice and floating debris in hydropower plants
FR496225A
(en )
1919-10-30
Boat construction and repair site
FR492671A
(en )
1919-07-16
Improvements in power saws
CH75535A
(en )
1917-12-01
Method of draining peat
CH72848A
(en )
1916-07-01
Device for testing power lines
CH80067A
(en )
1919-02-01
Device for utilizing the heating power of flue gases
FR480560A
(en )
1916-08-24
Improvements in steam control valves
CH56191A
(en )
1912-10-01
Device for turning grinding stones
CH72397A
(en )
1916-05-01
Method and device for setting electricity meters
CH72430A
(en )
1916-05-16
Apparatus for sterilizing tap water
CH68135A
(en )
1915-02-16
Turbine system with turbine shaft transversely to the upper ditch
AT71209B
(en )
1916-02-25
Rotary valve to shut off radiators.
CH72462A
(en )
1916-06-02
Device for the mechanical spreading of sand
CH69832A
(en )
1915-08-02
Water motor
FR504270A
(en )
1920-06-29
Improvements in turbines
CH70397A
(en )
1915-09-16
Water heater
CH75474A
(en )
1917-08-16
Device for milling grooves in hollow bodies