Road structure – process – or apparatus – Process – In situ treatment of earth or roadway
Reexamination Certificate
2007-02-06
2007-02-06
Hartmann, Gary S. (Department: 3671)
Road structure, process, or apparatus
Process
In situ treatment of earth or roadway
C404S084100, C404S118000
Reexamination Certificate
active
10929469
ABSTRACT:
A paving machine may include a power source, a traction system, a hopper configured to contain paving material, and one or more conveyors configured to transfer the paving material from the hopper. The paving machine may also include a screed configured to lay a mat of the paving material. The paving machine may further include at least one front sensor mounted on a front portion of the paving machine and configured to measure height from a surface to the front sensor and at least one rear sensor mounted on the paving machine and configured to measure height from a surface of the mat to the rear sensor. The paving machine may also include a controller configured to determine a thickness of the mat by determining a difference between one or more front height measurements taken by the at least one front sensor and one or more rear height measurements taken by the at least one rear sensor.
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Olson Dale M.
Souraty Mario J.
Caterpillar Paving Products Inc
Finnegan Henderson Farabow Garrett & Dunner
Hartmann Gary S.
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