FR570730A
(en )
1924-05-06
Improvements made to turbine blades
CH97500A
(en )
1923-01-16
Air turbine.
AT89499B
(en )
1922-09-25
Impeller hub with adjustable blades for water turbines.
AT89498B
(en )
1922-09-25
Impeller hub with adjustable blades for water turbines.
FI9233A
(en )
1922-10-27
Impeller hub with adjustable blades for water turbines
CH96730A
(en )
1922-11-01
Automatic adjustment device for the rotatable impeller blades on water turbines depending on the operating status of the turbine.
AT91448B
(en )
1923-02-26
Regulator for water turbines with rotating stator and rotating impeller blades.
ES72188A1
(en )
1920-04-09
Improvements in turbine blades.
AT91440B
(en )
1923-02-26
Water turbine.
AT99298B
(en )
1925-02-25
Blade regulation for water turbines or centrifugal pumps.
ES74191A1
(en )
1920-09-16
Improvements in the manufacture of turbine blades.
CH125060A
(en )
1928-03-16
Wind turbine in the form of a propeller with several blades arranged one behind the other.
ES73811A1
(en )
1920-08-16
Improvements in the construction of blades for turbines.
DK33644C
(en )
1924-09-08
Wind turbine or Wind motor.
FR524308A
(en )
1921-09-01
Wind turbine
FR544419A
(en )
1922-09-22
Propeller with adjustable blades
DK32464C
(en )
1923-11-05
Fastening device for turbine blades.
DK31050C
(en )
1923-01-02
Wind turbine.
DK30490C
(en )
1922-10-23
Centrifugal power plants.
CA196641A
(en )
1920-01-27
Steam turbine blade
ES71087A1
(en )
1919-11-16
Improvements in the construction of blades for turbines.
FR536847A
(en )
1922-05-10
Improvements in the manufacture of turbine blades
DK25239C
(en )
1919-11-24
Propeller blade.
CH116884A
(en )
1927-01-17
Centrifugal machine with rotatable blades in the impeller hub.
ES74714A1
(en )
1920-11-16
Propeller blower with specially shaped blades.