CH57844A
(en )
1913-02-01
Method and device for generating cooling air
CH74478A
(en )
1917-03-01
Method and device for room cooling
CH59499A
(en )
1913-05-16
Method and device for generating cold
CH59250A
(en )
1913-05-02
Method and device for increasing the efficiency of air cooling systems
CH59993A
(en )
1913-06-16
Method and device for the full utilization of the heating gases
CH58178A
(en )
1913-02-17
Method and device for keeping mustard fresh
CH76770A
(en )
1918-07-01
Method and device for generating heat
CH54044A
(en )
1912-04-16
Method and device for generating hair waves
CH57972A
(en )
1913-02-01
Method and device for hopping beer
CH56661A
(en )
1912-11-16
Method and device for modeling
CH66501A
(en )
1914-09-16
Method and device for carrying out electroosmotic processes
CH43481A
(en )
1909-05-17
Etching method and apparatus for carrying out the same
CH62395A
(en )
1913-11-17
Alloy and method and apparatus for making the same
CH65413A
(en )
1914-06-16
Method and device for the separation of gas mixtures
CH63394A
(en )
1914-01-16
Method and device for the production of welded pipes
CH54274A
(en )
1912-05-17
Method and device for the production of mica sheets
CH58348A
(en )
1913-03-01
Method and apparatus for manufacturing pressed bodies
CH74442A
(en )
1917-06-16
Method and device for homogenizing
CH57594A
(en )
1913-01-16
Method and device for the production of reliefs
CH66759A
(en )
1914-10-01
Method and device for counting objects of approximately the same size
CH66760A
(en )
1914-10-01
Method and device for counting objects of approximately the same size
CH61091A
(en )
1913-09-01
Method and apparatus for eliminating the influence of inertia on selenium cells
CH63367A
(en )
1914-02-02
Method and device for preventing scale formation
CH60527A
(en )
1913-07-16
Method and device for yeast preparation
CH76103A
(en )
1917-11-01
Method and device for the production of paper bags