CH59250A
(en )
1913-05-02
Method and device for increasing the efficiency of air cooling systems
CH57844A
(en )
1913-02-01
Method and device for generating cooling air
CH74478A
(en )
1917-03-01
Method and device for room cooling
CH66501A
(en )
1914-09-16
Method and device for carrying out electroosmotic processes
CH59500A
(en )
1913-05-16
Method and device for defrosting coils in air coolers
CH59993A
(en )
1913-06-16
Method and device for the full utilization of the heating gases
CH65413A
(en )
1914-06-16
Method and device for the separation of gas mixtures
CH56536A
(en )
1912-11-01
Device for cleaning the smoke emerging from the chimneys of soot and dust
CH60623A
(en )
1913-08-01
Method and device for defrosting pipe strikes in air cooling systems
CH70609A
(en )
1915-10-01
Welding sheet and method of making the same
CH63394A
(en )
1914-01-16
Method and device for the production of welded pipes
CH69909A
(en )
1915-08-02
Method and device for smoke-free combustion with the supply of secondary air
CH64172A
(en )
1914-03-16
Method and device of gas flow resistance in mechanical traction systems
CH74735A
(en )
1917-09-17
Washing method and equipment for carrying out the same
CH65568A
(en )
1914-06-16
Facility for constant monitoring and observation of technical systems
CH68557A
(en )
1915-04-01
Method and device for the production of moment X-rays
CH51771A
(en )
1911-09-16
Device for utilizing the heat of combustion gases
CH53490A
(en )
1912-03-01
Method and device for the production of insulating pipes
CH69187A
(en )
1915-06-01
Etching process and equipment for performing the same
CH66429A
(en )
1914-09-01
Method and device for drying and purifying air
CH62520A
(en )
1913-12-01
Method and device for drying and purifying air
CH56157A
(en )
1912-10-01
Combination photographic negative and method of making the same
CH59499A
(en )
1913-05-16
Method and device for generating cold
CH61091A
(en )
1913-09-01
Method and apparatus for eliminating the influence of inertia on selenium cells
CH62395A
(en )
1913-11-17
Alloy and method and apparatus for making the same