|
US2224241A
(en)
|
|
Rotary extractor
|
|
US3398880A
(en)
|
|
Centrifugal fan
|
|
US2686630A
(en)
|
|
Blower
|
|
US3254830A
(en)
|
|
Apparatus for varying the air quantity in air distribution chambers
|
|
US3305164A
(en)
|
|
Fans of the cross-flow type
|
|
US1905101A
(en)
|
|
Air conditioner
|
|
PL54674B1
(OSRAM)
|
|
|
|
US4066383A
(en)
|
|
Surface aeration impeller
|
|
US4108580A
(en)
|
|
Attic fans
|
|
US1978277A
(en)
|
|
Multistage pump balancing means
|
|
US3114061A
(en)
|
|
Refiner construction
|
|
US5220846A
(en)
|
|
Asymmetric mechanical vibrator with external setting for vibrating screens and other equipment
|
|
US3739493A
(en)
|
|
Grain drying apparatus
|
|
US2584942A
(en)
|
|
Dynamically balanced rotor
|
|
US4232994A
(en)
|
|
Centrifugal turbomachine
|
|
US2448297A
(en)
|
|
Liquid rotor spray mechanism
|
|
US2108703A
(en)
|
|
Blower drive and support
|
|
US2975961A
(en)
|
|
Blower unit
|
|
BR112019012966B1
(pt)
|
|
Freezer de espiral configurável
|
|
US2932441A
(en)
|
|
Fan
|
|
US3347605A
(en)
|
|
Fluid bearing
|
|
US2614501A
(en)
|
|
Screw and centrifugal pump
|
|
US3876344A
(en)
|
|
Counterbalance for rotary engine
|
|
US2648790A
(en)
|
|
Electric motor-driven unit
|
|
US2038417A
(en)
|
|
Integral fan and fan housing
|