FR837580A
(en )
1939-02-14
Improved maneuvering device for propellers, turbine wheels and pump rotors with adjustable blades
DK47078C
(en )
1933-03-13
Centrifugal pump system.
DK50645C
(en )
1935-09-09
Impeller propeller with swinging Buckets.
CH152977A
(en )
1932-02-29
Safety device on impeller turbines, pumps and the like with rotating blades.
ES121596A1
(en )
1931-03-01
A safety device for turbines with rotating vanes, pumps and the like.
CH116884A
(en )
1927-01-17
Centrifugal machine with rotatable blades in the impeller hub.
NL50123C
(en )
1941-04-15
Vessel with impeller wheel with swinging blades.
SU4275A1
(en )
1927-12-31
Propeller with movable blades and variable pitch
CH125060A
(en )
1928-03-16
Wind turbine in the form of a propeller with several blades arranged one behind the other.
FR721384A
(en )
1932-03-02
Steering device with orientable vanes for rotary machines, in particular for rotary pumps
DK35584C
(en )
1926-02-08
Scooters with swivel blades for centrifugal pumps and the like.
SU6207A1
(en )
1928-08-31
Antenna
SU2369A1
(en )
1927-02-28
Horizontal wind engine with concave rotary blades
SU5853A1
(en )
1928-07-31
Aircraft wing
ES111861A3
(en )
1929-05-16
Improved propeller wheel blades for thrusters, fans, turbines, pumps, windmills, or the like.
DK49788C
(en )
1935-01-21
Adjustment device for wind motors with impeller or impeller with fixed impellers or vanes.
AU2507130A
(en )
1930-08-26
Improvements in propellers, pumps and fans
CH152978A
(en )
1932-02-29
Steam and gas turbine blade.
ES134715A1
(en )
1934-08-16
Improvements in the vane wheel fans.
CH143089A
(en )
1930-10-31
Shaft bearings on circular saws.
ES99794A1
(en )
1926-12-01
Improvements in turbines or wind engines.
ES94237A1
(en )
1925-10-16
A fan with two rotating blades.
ES119263A1
(en )
1930-09-01
Improvements in the propulsion of ships through turbines or pumps.
ES121700A1
(en )
1931-03-16
A safety device for vane wheel turbines, pumps of the same class and their like.
FR730785A
(en )
1932-08-24
Safety device against overloading fans, in particular turbo-blowers operating with variable vacuum