1
Herbert E Jakob, Richard A Silbernagel: Method and apparatus for planing a paved roadway. CMI Corporation, Dunlap Codding & McCarthy, February 13, 1979: US04139318 (78 worldwide citation)

A method and apparatus for planing a paved roadway wherein a main frame is drivingly supported by track assemblies and a planer assembly is disposed in cutting engagement with a top portion of the paved roadway to produce a new roadway surface. An elevation positioning assembly is provided for raisi ...


2
George W Swisher Jr, Don W Smith, Gary L Westphall: Material transfer mechanism. CMI Corporation, Dunlap Codding and McCarthy, December 14, 1976: US03997277 (74 worldwide citation)

An improved material transfer mechanism comprising a selectively variable speed hydraulic power assembly having an output connected to and powering a material conveyor. A double acting hydraulic ram positions a swash plate control lever that determines the rotational speed of the output shaft, and a ...


3
George W Swisher Jr, Donald W Smith, Carl D Parker: Roadway planing apparatus. CMI Corporation, Dunlap & Codding, April 20, 1982: US04325580 (73 worldwide citation)

A planer apparatus for cutting a selected upper portion of a roadway surface to coincide with a preselected reference plane, comprising a main frame drivingly supported by a drive assembly, the main frame carrying a planing assembly comprising a rotating cutter drum assembly and a cutter drive assem ...


4
George W Swisher Jr, John F Phillips: Paving machine having automatic metering screed control. CMI Corporation, Dunlap & Codding P C, December 31, 1996: US05588776 (43 worldwide citation)

A paving machine having a sensor-controlled concrete metering screed. The machine includes hydraulic cylinders which move the metering screed to various elevations to control the depth of concrete being metered out by the screed. At least one ultrasonic sensor is slide-mounted to the machine above a ...


5
George William Swisher Jr, Donald W Smith, John F Phillips: Slipform paving apparatus. CMI Corporation, Dunlap Codding & McCarthy, July 20, 1976: US03970405 (41 worldwide citation)

A slipform paving apparatus having a variable width frame assembly supported upon independently adjustable and steerable leg and track assemblies that are positionable in a paving profile or in a travelling profile. A detachable steering cable feedback and follower assembly interconnects a track ass ...


6
George W Swisher Jr, Thomas L Steele, Richard A Silbernagle: Method and apparatus for collecting particulate material on a roadway. CMI Corporation, Dunlap Codding & McCarthy, September 22, 1981: US04290820 (38 worldwide citation)

An improved front-end loader apparatus for collecting particulate material on a roadway surface comprising a frame assembly drivingly supported on the roadway, a windrow formation assembly supported at the forward end of the frame assembly for brushing particulate material into a windrow, and a feed ...


7
George W Swisher Jr: Method for resurfacing a paved roadway. CMI Corporation, Dunlap Codding & McCarthy, April 1, 1980: US04195946 (35 worldwide citation)

A method and apparatus for resurfacing an existing paved roadway to produce a new roadway surface having a predetermined grade and cross slope, particularly wherein the existing paved roadway has at least one irregular depression therein extending below the predetermined grade and wherein the portio ...


8
George W Swisher Jr: Road planar having particle reducing means. CMI Corporation, Dunlap Codding & Peterson, January 20, 1987: US04637753 (35 worldwide citation)

A road planar which includes a secondary cutter in the planar behind the primary cutter with grids between the primary and secondary cutters and following the secondary cutter to size and cooperate with the secondary cutter in reducing the particle size of pavement material removed by the primary cu ...


9
Nestor Mikael Salminen: Method and equipment for producing foam bitumen. CMI Corporation, Dunlap & Codding P C, October 27, 1998: US05827360 (31 worldwide citation)

The invention relates to a method and equipment for producing foam bitumen. Water is mixed to hot bitumen under a pressure which is lower than the prevailing absolute pressure, and after this the pressure is allowed to rise and the flow rate to drop. The mixing of water and bitumen occurs in a foami ...


10
David L Garbelman, William H Minor, Arthur G Shaw: Method and apparatus for producing hot mix asphalt utilizing recyclable asphalt aggregate. CMI Corporation, Dunlap Codding & McCarthy, April 3, 1979: US04147436 (31 worldwide citation)

An improved method and apparatus for producing hot mix asphalt utilizing new aggregate and a previously manufactured and laid asphalt mix which has been reduced to form recyclable aggregate, wherein the new aggregate is fed into the input end of a rotating mixer drum and cascaded repeatedly through ...



Click the thumbnails below to visualize the patent trend.