CH4272A
(en )
1892-03-31
Apparatus for the extraction of carbonic acid from alkali bicarbonate
CH3717A
(en )
1891-12-15
Apparatus for the electrolytic decomposition of solutions
CH7635A
(en )
1894-05-31
Apparatus for producing carbonic acid from minerals
CH10858A
(en )
1896-02-29
Apparatus for extracting wort
CH38226A
(en )
1907-09-15
Device for preserving protein by means of carbonic acid gas
CH8502A
(en )
1894-10-31
Apparatus for extracting salt from brine
CH10859A
(en )
1896-02-29
Apparatus for obtaining carbonic acid from gas mixtures by dry means
CH31185A
(en )
1905-03-15
Apparatus for showing pictures
CH8033A
(en )
1894-08-15
Apparatus for the rapid manufacture of cheese
CH8019A
(en )
1894-08-15
Apparatus to illustrate the first calculation
CH7006A
(en )
1893-12-30
Device to facilitate mountaineering
CH13148A
(en )
1897-05-15
Apparatus for gassing liquids
CH7218A
(en )
1894-02-15
Apparatus for purifying sewer water
CH7285A
(en )
1894-02-15
Apparatus for obtaining common salt by cooling brine
CH8712A
(en )
1894-12-31
Apparatus for pain-free slaughtering of cattle
CH23104A
(en )
1902-05-31
Apparatus for the production of solid alkali silicate from alkali silicate solution
FR374040A
(en )
1907-06-03
Method and apparatus for settling-recovering water laden with various products
CH5391A
(en )
1892-12-15
New device for transportation by means of balloons
CH6020A
(en )
1893-05-31
Apparatus for the electrolytic splitting of metal salts
CH6710A
(en )
1893-10-31
Device for determining the content of hollow vessels
CH27298A
(en )
1903-12-31
Apparatus for determining the age of chicken eggs
CH3450A
(en )
1891-09-30
Apparatus for sizing preparation
CH8578A
(en )
1894-11-30
Apparatus for the automatic production of photographs
CH3491A
(en )
1891-10-15
Apparatus for generating luminous gas
CH12195A
(en )
1896-10-31
Apparatus for the treatment of lung patients