CH63138A
(en )
1914-01-16
Method for preventing the deposit of scale on the walls of a boiler and apparatus for carrying out this method
FR453567A
(en )
1913-06-11
Process for obtaining photographic images
CH66869A
(en )
1914-10-16
Method for heating a fluid and apparatus for carrying out this method
FR471744A
(en )
1914-11-10
Method for measuring the efficiency of heating and refrigeration installations
CH62892A
(en )
1914-01-02
Method for measuring the flow rate of a fluid stream and apparatus for its implementation
FR445642A
(en )
1912-11-15
Improved method and apparatus for erecting walls or other concrete constructions
FR464670A
(en )
1914-03-27
Method and apparatus for water purification
FR466179A
(en )
1914-05-06
Method and device for the production of hot water
FR463582A
(en )
1914-02-26
Process for obtaining coatings formed from fusible substances
FR15342E
(en )
1912-06-18
Process for the emulsion of mineral hydrocarbons
FR454421A
(en )
1913-07-04
Method and apparatus for making "duplex" papers
FR450674A
(en )
1913-04-01
Method and apparatus for drawing tubes
CH55187A
(en )
1912-08-01
Method for producing the sealing of openings and apparatus for its implementation
FR453830A
(en )
1913-06-17
Method and apparatus for casting molten metal
CH64041A
(en )
1914-03-02
Method for casting molten metal and apparatus for carrying out this method
FR474493A
(en )
1915-02-23
Method and apparatus for making metal objects
FR421666A
(en )
1911-02-28
Method for facilitating the molding of a mass of molten quartz
FR454557A
(en )
1913-07-08
Process for the production of cinematographic images
FR443633A
(en )
1912-09-28
Process for obtaining positive photographic papers
CH63074A
(en )
1914-01-02
Process for the production of heat and generator for the implementation of this process
FR480491A
(en )
1916-08-09
Process for the production of refractory and corrosion resistant materials
FR377990A
(en )
1907-09-20
Method for fixing the bases of artificial teeth
CH65350A
(en )
1914-06-16
Method and apparatus for manufacturing aluminum nitride
FR468455A
(en )
1914-07-07
Method and apparatus for the separation of a liquid suspended from another liquid
FR450762A
(en )
1913-04-03
Process for obtaining malleable metals