Inventor
CAMPBELL ROY E
US16 patents
⚠️ This page may combine multiple inventors who share the name “CAMPBELL ROY E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ELCOR CORP
10 patentsUS6182469B1Feb 6, 2001
Hydrocarbon gas processing
ELCOR CORP223 citations99
US5881569AMar 16, 1999
Hydrocarbon gas processing
ELCOR CORP166 citations99
US5771712AJun 30, 1998
Hydrocarbon gas processing
ELCOR CORP170 citations99
US5568737AOct 29, 1996
Hydrocarbon gas processing
ELCOR CORP230 citations99
US5275005AJan 4, 1994
Gas processing
ELCOR CORP157 citations99
US4889545ADec 26, 1989
Hydrocarbon gas processing
ELCOR CORP174 citations99
US4854955AAug 8, 1989
Hydrocarbon gas processing
ELCOR CORP198 citations99
US5983664ANov 16, 1999
Hydrocarbon gas processing
ELCOR CORP144 citations98
US5555748ASep 17, 1996
Hydrocarbon gas processing
ELCOR CORP149 citations98
US4869740ASep 26, 1989
Hydrocarbon gas processing
ELCOR CORP152 citations98
ORTLOFF CORP
5 patentsUS4278457AJul 14, 1981
Hydrocarbon gas processing
ORTLOFF CORP195 citations98
US4157904AJun 12, 1979
Hydrocarbon gas processing
ORTLOFF CORP195 citations98
US4140504AFeb 20, 1979
Hydrocarbon gas processing
ORTLOFF CORP187 citations98
US4171964AOct 23, 1979
Hydrocarbon gas processing
ORTLOFF CORP162 citations94
US4061481ADec 6, 1977
Natural gas processing
ORTLOFF CORP144 citations89