CH52782A
(en )
1912-01-02
Method and apparatus for purifying boiler feed water
CH57972A
(en )
1913-02-01
Method and device for hopping beer
CH72924A
(en )
1916-07-17
Method and apparatus for mixing sludge
CH62342A
(en )
1913-11-17
Method and apparatus for vaporizing liquids
CH64943A
(en )
1914-05-16
Continuous process and device for purifying waste water
CH72621A
(en )
1916-06-16
Method and apparatus for sterilizing liquids
CH48436A
(en )
1910-10-17
Method and device for extinguishing lime
CH52282A
(en )
1911-11-01
Method of purifying water
CH53487A
(en )
1912-03-01
Apparatus for removing odor from exhaust gases
CH71200A
(en )
1915-12-01
Method and apparatus for printing patterns
CH66514A
(en )
1914-09-16
Method and apparatus for treating water for the purpose of preventing scale formation
CH75130A
(en )
1917-06-01
Method and device for cleaning animals
AT68028B
(en )
1915-02-25
Method and apparatus for drying granular material.
CH55444A
(en )
1912-08-16
Method and device for treating hair
CH77880A
(en )
1918-06-01
Method and apparatus for ventilating haysticks
CH71574A
(en )
1916-01-17
Method and apparatus for opening and cleaning fiber material
CH75453A
(en )
1917-08-01
Method and device for softening water
CH53975A
(en )
1912-04-16
Method and device for inking printing forms
CH51965A
(en )
1911-10-16
Method and apparatus for removing dust from compartments filled with small objects
CH74442A
(en )
1917-06-16
Method and device for homogenizing
CH56790A
(en )
1912-11-16
Apparatus for cleaning materials
CH62970A
(en )
1914-01-02
Apparatus for whipping soap scum
CH51436A
(en )
1911-09-01
Method and apparatus for thickening milk
CH53965A
(en )
1912-04-16
Process for purifying liquid hydrocarbons
CH71300A
(en )
1915-12-16
Process and furnace system for drying and gasifying sewage sludge