CH68543A
(en )
1915-04-01
Multi-stage fan and pump with series connection of the stages
CH71244A
(en )
1915-12-16
Multi-stage turbo fan
CH71107A
(en )
1915-12-01
Multi-stage turbo fan
CH68380A
(en )
1915-06-16
Multi-stage centrifugal pump
AT87505B
(en )
1922-03-10
Device for increasing the efficiency of turbo compressors and turbo blowers.
CH69678A
(en )
1915-07-16
Centrifugal compressor with several intercoolers outside of the wheel groups
CH65969A
(en )
1914-07-16
Control device in multistage centrifugal compressors and pumps
CH70671A
(en )
1915-10-16
Two-stage fan
AT78634B
(en )
1919-10-10
Stage centrifugal fans or compressors.
CH72672A
(en )
1916-06-16
Drive the slide of slide compressors
ES54651A1
(en )
1913-03-01
Improvements in suction and impeller pumps.
CH64551A
(en )
1914-04-16
Centrifugal pump or compressor
CH59486A
(en )
1913-05-16
Impeller for centrifugal pumps and compressors with inlet on one side
CH69679A
(en )
1915-07-16
Self-priming centrifugal pump
CH65404A
(en )
1914-06-16
Centrifugal compressor or centrifugal pump with several pressure levels
CH75807A
(en )
1917-09-17
Centrifugal pump or compressor
CH56909A
(en )
1912-12-02
Centrifugal compressor with interstage cooling
CH72546A
(en )
1916-06-02
Multi-stage fan with bypass pipes
CH54733A
(en )
1912-06-17
Multi-stage compressor
CH64064A
(en )
1914-03-02
Impeller pump
CH54735A
(en )
1912-06-17
Ventilation device in the suction chambers of circulating pumps
CH69217A
(en )
1915-06-01
Safety valve on suction and pressure pumps
FR487324A
(en )
1918-06-25
Improvements to pumps, compressors and centrifugal fans
CH69120A
(en )
1915-05-17
Expandable impeller with grabs for motor plows and the like
CH67950A
(en )
1915-02-01
Double fan