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| Number | Title | Issue Date |
| 7721825 | Portable concrete boring machine A portable boring machine for cutting holes in a cutting surface is provided. The portable boring machine includes a vacuum system to secure a front end of the portable boring machine to a cutting surface, a hydraulic boring sub-assembly, which includes a hole saw t... | 05/25/2010 |
| 7704123 | Handle assembly for a concrete saw An adjustable handle assembly for a road surface cutting saw is provided that includes a back plate attached to the saw housing, an outer gear attached to the back plate, a bracket assembly including an inner gear, a tubular member slidably attached to the bracket a... | 04/27/2010 |
| 7645183 | Mobile road or floor saw A floor or road saw (20) that includes a multi-speed transmission (24) that includes a neutral position. The transmission does not require the use of belts, polychains, or clutches that require regular maintenance and/or replacement. Moreover, the tran... | 01/12/2010 |
| 7434889 | Self-propelled concrete saw with forward motion speed control system The present invention provides a forward motion speed control system for a self-propelled concrete saw, a self-propelled concrete saw equipped with a forward motion speed control system and a method of controlling the forward motion speed of a concrete saw during a ... | 10/14/2008 |
| 7117864 | Mobile road or floor saw A floor or road saw that includes a multi-speed transmission that includes a neutral position. The transmission does not require the use of belts, polychains or clutches that require regular maintenance and/or replacement. Moreover, the transmission of the saw may b... | 10/10/2006 |
| 6921230 | Closed loop control system for pavement surfacing machine Apparatus and methods for controlling the operation of a pavement surfacing machine are described. One embodiment that controls a pavement surfacing machine having a vehicle moveable in a preselected direction of travel along a pavement surface under the influence o... | 07/26/2005 |
| 6318353 | Concrete saw with multispeed drive A concrete saw for cutting concrete and other hard surfaces or substrates. The concrete saw includes a multispeed drive for transmitting power from the saw's engine to the saw's cutting blade. The multispeed drive includes a flexible belt for transmitting... | 11/20/2001 |
