Patents in subclass Excavating/And Centrifugal Impeller For Final Stage
Parent class: Excavating
| Number | Patent title | Issue Date |
|---|---|---|
| 07121021 | Snow removal machine A snow removal machine of this invention has a blower provided in a blower housing for throwing up snow collected by an auger toward a chute. The blower has a plurality of supporting members provided on a drive shaft for rotating the... |
10/17/2006 |
| 06775881 | Blower apparatus with brush for scavenging surfaces A blower head, comprising a frame, a brush rotatably supported by the frame, a sweeper drive adapted for rotating said brush to sweep a surface, and a blower unit adapted for removing swept-up particles away from the surface. The frame... |
08/17/2004 |
| 06499237 | Snow blower A snow blower augers snow scrapped from a path to a fan. The fan is co-axial with the auger at one end of an auger housing. A fan shaft extends through an auger tube. The fan shaft is supported on one end by a fan housing bearing attached... |
12/31/2002 |