CH27290A
(en )
1903-12-31
Apparatus for the enrichment and purification of salt solutions
CH17621A
(en )
1899-07-15
Apparatus for cooling parts of the body
CH25818A
(en )
1903-06-30
Apparatus for permeate therapeutic treatment
CH25881A
(en )
1903-07-15
Apparatus for the preparation of nitric acid
CH31185A
(en )
1905-03-15
Apparatus for showing pictures
CH68323A
(en )
1915-03-01
Apparatus for the purification of gases and for the recovery of the dust carried along
CH16848A
(en )
1899-02-28
Apparatus for treating the sick by means of light therapy
CH27090A
(en )
1903-11-30
Apparatus for making ice cream and ice cream
AT29845B
(en )
1907-09-10
Process for the preparation of indoxyl and derivatives thereof.
CH19896A
(en )
1900-10-15
Apparatus for the electrolysis of solutions
CH30398A
(en )
1904-12-15
Apparatus for applying vapors
CH24001A
(en )
1902-10-31
Apparatus for the continuous preparation of nitric acid
CH34638A
(en )
1906-05-15
Apparatus for mixing gases
DK6854C
(en )
1904-08-15
Apparatus for Purification and Humidification of Air.
CH45916A
(en )
1910-01-03
Apparatus for the clarification and purification of waste water
CH12195A
(en )
1896-10-31
Apparatus for the treatment of lung patients
CH12044A
(en )
1896-09-30
Apparatus for the mechanical treatment of rectal disorders
CH48592A
(en )
1910-11-01
Method and apparatus for the continuous concentration of liquids
CH8033A
(en )
1894-08-15
Apparatus for the rapid manufacture of cheese
CH39102A
(en )
1908-02-01
Apparatus for making carbonic acid baths
CH50224A
(en )
1911-05-01
Process and apparatus for the continuous electolysis of aqueous common salt solutions
CH24800A
(en )
1903-02-28
Apparatus for treating liquids with other substances and vice versa
CH23284A
(en )
1902-06-30
Apparatus for the direct representation of hydrochloric acid
CH24441A
(en )
1902-12-31
Apparatus for making tea
CH32699A
(en )
1905-08-31
Device for the manufacture of sulfuric anhydride