Assignee
HC IND
US35 patents
Top patents by PatentIndex Score
US4497765AFeb 5, 1985
Process for making a closure
HC IND214 citations98
US5564582AOct 15, 1996
Tamper-indicating plastic closure with pilfer band having staggered scores
HC IND46 citations95
US5356021AOct 18, 1994
Container closure with multiple liner seals
HC IND58 citations95
US5004112AApr 2, 1991
Tamper-indicating plastic closure
HC IND53 citations95
US4938370AJul 3, 1990
Tamper-indicating plastic closure
HC IND66 citations95
US4418828ADec 6, 1983
Plastic closure with mechanical pilfer band
HC IND132 citations95
US4407422AOct 4, 1983
Composite closure
HC IND71 citations95
US4343754AAug 10, 1982
Process and apparatus for molding liners in container closures
HC IND97 citations95
US5501349AMar 26, 1996
Tamper-indicating plastic closure with selectively strengthened pilfer band
HC IND29 citations92
US5242068ASep 7, 1993
Tamper-indicating plastic closure
HC IND24 citations92
US5205426AApr 27, 1993
Tamper-indicating plastic closure
HC IND42 citations92
US5167335ADec 1, 1992
Tamper-indicating plastic closure
HC IND37 citations92
US5050753ASep 24, 1991
Preferentially strengthened tamper-indicating plastic closure
HC IND64 citations92
US4978017ADec 18, 1990
Tamper-indicating plastic closure
HC IND50 citations92
US4923073AMay 8, 1990
Tamper-indicating plastic closure
HC IND32 citations92
US4545496AOct 8, 1985
Plastic closure with mechanical pilfer band
HC IND33 citations92
US4378893AApr 5, 1983
Composite closure
HC IND52 citations92
US4674643AJun 23, 1987
Plastic closure with structural thread formation
HC IND83 citations91
US4666053AMay 19, 1987
Tamper-indicating plastic closure
HC IND61 citations89
US4277431AJul 7, 1981
Method of dispensing metered charges of material
HC IND49 citations88
US5285913AFeb 15, 1994
Closure assembly with insert liner
HC IND52 citations86
US5259522ANov 9, 1993
Linerless closure
HC IND42 citations86
US5064084ANov 12, 1991
Composite closure with seal proportioning lip
HC IND33 citations86
US4664280AMay 12, 1987
Composite closure
HC IND31 citations86
US4088730AMay 9, 1978
Method and apparatus for forming closure inserts
HC IND24 citations82
US5320234AJun 14, 1994
Tamper-indicating plastic closure with pilfer band having staggered scores
HC IND18 citations81
US4720018AJan 19, 1988
Scoring arrangement for a tamper-indicating plastic closure
HC IND21 citations78
US4080136AMar 21, 1978
Apparatus for dispensing metered charges of material
HC IND28 citations77
US5557999ASep 24, 1996
Method for manufacturing a tamper-indicating plastic closure
HC IND17 citations73
US3958910AMay 25, 1976
Apparatus for forming closure inserts
HC IND18 citations73
US3955605AMay 11, 1976
Apparatus and method for supplying a metered charge at any feed rate
HC IND22 citations69
US4167797ASep 18, 1979
Closure cleaning machine
HC IND13 citations67
US5478512ADec 26, 1995
Method of detecting cam overload in a plastic molding apparatus
HC IND10 citations65
US5651299AJul 29, 1997
Method for scoring a tamper-indicating plastic closure
HC IND11 citations59
US5358131AOct 25, 1994
Tamper-indicating plastic closure with segemented pilfer band
HC IND6 citations58