CH81085A
(en )
1919-11-01
Process for generating heat
CH78400A
(en )
1918-12-02
Process for briquetting fuel waste
CH76172A
(en )
1917-11-01
Process for the production of briquettes from combustible waste
CH75755A
(en )
1918-02-16
Method for dividing containers
CH77500A
(en )
1918-09-02
Process for dry briquetting
CH76064A
(en )
1917-11-01
Process for the production of briquettes from sawdust
CH75089A
(en )
1917-11-01
Process for the relief of action reaction turbines
CH77220A
(en )
1918-03-16
Method of making briquettes
AT89300B
(en )
1922-08-25
Process for the extraction of pectin substances.
CH71114A
(en )
1915-12-01
Process for converting wave current into direct current
DK32437C
(en )
1923-10-29
Apparatus for the Production of Electricity Using Wind Power.
CH78608A
(en )
1919-01-02
Process for generating electrical spray sparks, in particular for advertising purposes
CH76096A
(en )
1918-04-01
Process for the production of urea
FR486813A
(en )
1918-05-14
Advanced hunting tank
CH71040A
(en )
1915-11-16
Procedure to prevent scale settling
CH75875A
(en )
1917-10-01
Process for the production of potassium persulfate
AT91010B
(en )
1923-01-25
Process for the production of pore-free tin deposits.
CH79939A
(en )
1919-01-16
Process for the production of fibers
CH76779A
(en )
1918-02-01
Process for the production of pressed briquettes
CH71801A
(en )
1916-02-16
Process for denicotinizing tobacco
CH70732A
(en )
1915-10-16
Process for gasifying sewer sludge
CH71436A
(en )
1916-01-03
Process for the production of briquettes
CH78070A
(en )
1918-11-01
Method of making briquettes
CH77094A
(en )
1918-03-01
Method of making briquettes
CH75029A
(en )
1917-05-16
Method of making briquettes