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US 2012/0246864 A1Published application
Pavement crack cleaner
AssigneeBoard of Regents of the University of Nebraska
InventorYong Cho
Life of this patent
Estimating the term…
Abstract
Devices for cleaning and preparing pavement cracks for sealing are disclosed. An example device comprises a wire brush assembly for removal of mid and large-sized debris, an air blaster for removal of fine-grained particulate, a heat lance, and a vacuum for controlled removal of debris and particulates. The example device would also have means for attachment to an air compressor.
Claims14
A device for cleaning pavement cracks comprising a wire brush assembly and an air blaster.
A device for cleaning pavement cracks comprising a single router bit and an air blaster.
Dependencies are inferred from the claim text.