Inventor
CAMPBELL THOMAS R
US16 patents
⚠️ This page may combine multiple inventors who share the name “CAMPBELL THOMAS R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASTEC IND
11 patentsUS5851085ADec 22, 1998
Method and apparatus for spraying a tack material from a paving machine having a gravity feed hopper
ASTEC IND56 citations96
US5533829AJul 9, 1996
Paving machine with mixing device and discharge conveyor assembly for remixing segregated paving materials
ASTEC IND59 citations96
US5315770AMay 31, 1994
Roadway trenching apparatus
ASTEC IND84 citations96
US5078540AJan 7, 1992
Asphalt pavement milling machine and cutter drum therefor
ASTEC IND80 citations96
US5615973AApr 1, 1997
Paving machine with gravity feed hopper and auger mechanism
ASTEC IND55 citations92
US5553968ASep 10, 1996
Method and apparatus for conveying and desegregating aggregate
ASTEC IND25 citations92
US5533828AJul 9, 1996
Method and apparatus for discharging paving materials on top of distributing auger
ASTEC IND22 citations92
US5441361AAug 15, 1995
Field convertible apparatus for conducting either front load road planing operation or cold in-place recycling operation
ASTEC IND47 citations92
US5405214AApr 11, 1995
Paving machine incorporating automatic feeder control gates
ASTEC IND36 citations92
US5348418ASep 20, 1994
Asphalt finishing screed having rotary compactor
ASTEC IND43 citations92
US5642961AJul 1, 1997
Method for conveying and desegregating aggregate
ASTEC IND11 citations73