Assignee
COPAR CORP
US11 patents
Top patents by PatentIndex Score
US4516702AMay 14, 1985
Dripless valve
COPAR CORP44 citations92
US4389971AJun 28, 1983
Means for controlling the application of glue to a defined area
COPAR CORP37 citations92
US4389969AJun 28, 1983
Glue detector
COPAR CORP24 citations81
US4369080AJan 18, 1983
Means for sensing and controlling the amount of starch applied to form corrugated board
COPAR CORP23 citations81
US4084539AApr 18, 1978
Voltage to air pressure transducer
COPAR CORP28 citations81
US5676790AOct 14, 1997
Corrugating machine with thermal position sensing
COPAR CORP29 citations80
US4258250AMar 24, 1981
Jam detector
COPAR CORP8 citations72
US4112379ASep 5, 1978
Jam detector
COPAR CORP7 citations72
US3970489AJul 20, 1976
Corrugator control system
COPAR CORP16 citations64
US7833376B2Nov 16, 2010
Apparatus and method for manufacturing corrugated boards
COPAR CORP1 citations51
US3944933AMar 16, 1976
Jam detection circuit
COPAR CORP6 citations46