|
US3398880A
(en)
|
|
Centrifugal fan
|
|
US2321907A
(en)
|
|
Blower device
|
|
US3254830A
(en)
|
|
Apparatus for varying the air quantity in air distribution chambers
|
|
US1905101A
(en)
|
|
Air conditioner
|
|
PL54674B1
(cg-RX-API-DMAC7.html)
|
|
|
|
US2703674A
(en)
|
|
Turbine driven fan unit
|
|
US4066383A
(en)
|
|
Surface aeration impeller
|
|
US4108580A
(en)
|
|
Attic fans
|
|
US1978277A
(en)
|
|
Multistage pump balancing means
|
|
US3114061A
(en)
|
|
Refiner construction
|
|
US2634617A
(en)
|
|
Gyratory drive for sifters
|
|
US3739493A
(en)
|
|
Grain drying apparatus
|
|
US2448297A
(en)
|
|
Liquid rotor spray mechanism
|
|
US3086696A
(en)
|
|
Fan
|
|
US2496720A
(en)
|
|
Heater fan mounting
|
|
US2108703A
(en)
|
|
Blower drive and support
|
|
US2975961A
(en)
|
|
Blower unit
|
|
BR112019012966B1
(pt)
|
|
Freezer de espiral configurável
|
|
US2932441A
(en)
|
|
Fan
|
|
US4066382A
(en)
|
|
Surface aeration impeller
|
|
US1915058A
(en)
|
|
Antivibration mechanism for blower casings
|
|
US2901959A
(en)
|
|
Air distributing system
|
|
US2336838A
(en)
|
|
Dynamometer
|
|
US1698287A
(en)
|
|
Multistage air compressor or water pump
|
|
US2614501A
(en)
|
|
Screw and centrifugal pump
|