Assignee
HC IND
35 granted patents·1,639 citations·filing 1974–1994
Top patents by PatentIndex Score
35 records- 0198US4497765AProcess for making a closureHC IND·Filed 1982·Granted Feb 5, 1985·214 cites·52 claims
- 0297US4418828APlastic closure with mechanical pilfer bandHC IND·Filed 1981·Granted Dec 6, 1983·132 cites·57 claims
- 0396US4343754AProcess and apparatus for molding liners in container closuresHC IND·Filed 1979·Granted Aug 10, 1982·97 cites·56 claims
- 0492US4407422AComposite closureHC IND·Filed 1981·Granted Oct 4, 1983·71 cites·31 claims
- 0587US4674643APlastic closure with structural thread formationHC IND·Filed 1986·Granted Jun 23, 1987·83 cites·15 claims
- 0684US4938370ATamper-indicating plastic closureHC IND·Filed 1989·Granted Jul 3, 1990·66 cites·17 claims
- 0783US4277431AMethod of dispensing metered charges of materialHC IND·Filed 1979·Granted Jul 7, 1981·49 cites·3 claims
- 0880US4378893AComposite closureHC IND·Filed 1981·Granted Apr 5, 1983·52 cites·74 claims
- 0979US5356021AContainer closure with multiple liner sealsHC IND·Filed 1993·Granted Oct 18, 1994·58 cites·4 claims
- 1079US4666053ATamper-indicating plastic closureHC IND·Filed 1986·Granted May 19, 1987·61 cites·7 claims
- 1178US5050753APreferentially strengthened tamper-indicating plastic closureHC IND·Filed 1990·Granted Sep 24, 1991·64 cites·16 claims
- 1277US5564582ATamper-indicating plastic closure with pilfer band having staggered scoresHC IND·Filed 1994·Granted Oct 15, 1996·46 cites·7 claims
- 1377US5004112ATamper-indicating plastic closureHC IND·Filed 1990·Granted Apr 2, 1991·53 cites·10 claims
- 1475US4978017ATamper-indicating plastic closureHC IND·Filed 1990·Granted Dec 18, 1990·50 cites·14 claims
- 1572US5285913AClosure assembly with insert linerHC IND·Filed 1992·Granted Feb 15, 1994·52 cites·8 claims
- 1670US4088730AMethod and apparatus for forming closure insertsHC IND·Filed 1976·Granted May 9, 1978·24 cites·4 claims
- 1769US5205426ATamper-indicating plastic closureHC IND·Filed 1992·Granted Apr 27, 1993·42 cites·10 claims
- 1869US4080136AApparatus for dispensing metered charges of materialHC IND·Filed 1976·Granted Mar 21, 1978·28 cites·11 claims
- 1968US4545496APlastic closure with mechanical pilfer bandHC IND·Filed 1983·Granted Oct 8, 1985·33 cites·12 claims
- 2066US5259522ALinerless closureHC IND·Filed 1992·Granted Nov 9, 1993·42 cites·11 claims
- 2165US5167335ATamper-indicating plastic closureHC IND·Filed 1991·Granted Dec 1, 1992·37 cites·19 claims
- 2265US4923073ATamper-indicating plastic closureHC IND·Filed 1989·Granted May 8, 1990·32 cites·16 claims
- 2362US5064084AComposite closure with seal proportioning lipHC IND·Filed 1990·Granted Nov 12, 1991·33 cites·10 claims
- 2461US4720018AScoring arrangement for a tamper-indicating plastic closureHC IND·Filed 1986·Granted Jan 19, 1988·21 cites·4 claims
- 2561US3958910AApparatus for forming closure insertsHC IND·Filed 1974·Granted May 25, 1976·18 cites·26 claims
- 2659US5501349ATamper-indicating plastic closure with selectively strengthened pilfer bandHC IND·Filed 1994·Granted Mar 26, 1996·29 cites·12 claims
- 2759US4664280AComposite closureHC IND·Filed 1985·Granted May 12, 1987·31 cites·18 claims
- 2855US3955605AApparatus and method for supplying a metered charge at any feed rateHC IND·Filed 1975·Granted May 11, 1976·22 cites·12 claims
- 2954US5242068ATamper-indicating plastic closureHC IND·Filed 1992·Granted Sep 7, 1993·24 cites·11 claims
- 3051US5557999AMethod for manufacturing a tamper-indicating plastic closureHC IND·Filed 1994·Granted Sep 24, 1996·17 cites·10 claims
- 3151US4167797AClosure cleaning machineHC IND·Filed 1977·Granted Sep 18, 1979·13 cites·3 claims
- 3250US5320234ATamper-indicating plastic closure with pilfer band having staggered scoresHC IND·Filed 1992·Granted Jun 14, 1994·18 cites·9 claims
- 3346US5478512AMethod of detecting cam overload in a plastic molding apparatusHC IND·Filed 1994·Granted Dec 26, 1995·10 cites·8 claims
- 3444US5651299AMethod for scoring a tamper-indicating plastic closureHC IND·Filed 1994·Granted Jul 29, 1997·11 cites·6 claims
- 3530US5358131ATamper-indicating plastic closure with segemented pilfer bandHC IND·Filed 1993·Granted Oct 25, 1994·6 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →