Assignee
ZIP PAK INC
US·32 granted patents·1,850 citations·filing 1987–1990
Top patents by PatentIndex Score
32 records- 0197US5024537ATape carried pre-cut zipperZIP PAK INC·Filed 1990·Granted Jun 18, 1991·153 cites·19 claims
- 0297US4840012AZippered film feedZIP PAK INC·Filed 1987·Granted Jun 20, 1989·106 cites·8 claims
- 0395US4941307AZipper guide system for form toolingZIP PAK INC·Filed 1989·Granted Jul 17, 1990·75 cites·12 claims
- 0494US5085031ATransverse zipper application for horizontal form, fill and seal machineZIP PAK INC·Filed 1990·Granted Feb 4, 1992·125 cites·13 claims
- 0594US5063639AZippered closure for packagesZIP PAK INC·Filed 1990·Granted Nov 12, 1991·94 cites·21 claims
- 0694US4986054AFill tube spreaderZIP PAK INC·Filed 1989·Granted Jan 22, 1991·67 cites·8 claims
- 0794US4949527AMethod of forming a reclosable trayZIP PAK INC·Filed 1989·Granted Aug 21, 1990·65 cites·17 claims
- 0893US4869048AStretcher for package formingZIP PAK INC·Filed 1988·Granted Sep 26, 1989·77 cites·25 claims
- 0992US5096516AMethod of making dual reuseable pouchesZIP PAK INC·Filed 1990·Granted Mar 17, 1992·79 cites·8 claims
- 1091US5072571AZippered film plural sheet strip guide system and method for zippered film for form, fill and seal package making machinesZIP PAK INC·Filed 1990·Granted Dec 17, 1991·64 cites·9 claims
- 1191US5067302ASealing jaws for zippered foil or film in form, fill and seal machinesZIP PAK INC·Filed 1990·Granted Nov 26, 1991·77 cites·4 claims
- 1291US4993212AMethod and apparatus for guiding a zippered film in form, fill and seal package making machinesZIP PAK INC·Filed 1990·Granted Feb 19, 1991·76 cites·14 claims
- 1391US4974395AZipper guide and spreader device for form, fill and seal machinesZIP PAK INC·Filed 1990·Granted Dec 4, 1990·62 cites·18 claims
- 1491US4947525AZipper closure with internal peel sealZIP PAK INC·Filed 1989·Granted Aug 14, 1990·119 cites·24 claims
- 1591US4896775AZippered thermal form tray systemZIP PAK INC·Filed 1988·Granted Jan 30, 1990·84 cites·25 claims
- 1689US5042224AZipper tracking in form, fill and seal package machinesZIP PAK INC·Filed 1990·Granted Aug 27, 1991·59 cites·13 claims
- 1788US5015223AHotseal jaws and cutoff knife assembly for processing thermoplastic film bag making materialZIP PAK INC·Filed 1989·Granted May 14, 1991·59 cites·6 claims
- 1884USD342220SSnowmobile hoodZIP PAK INC·Filed 1990·Granted Dec 14, 1993·29 cites·1 claims
- 1984US5071689AHinged zipperZIP PAK INC·Filed 1990·Granted Dec 10, 1991·47 cites·20 claims
- 2081US5063069AZippered closure for thermoformed packageZIP PAK INC·Filed 1990·Granted Nov 5, 1991·61 cites·17 claims
- 2175US5065899ASectional or pre-cut zipper strips, magazine storage and feed means, and methodZIP PAK INC·Filed 1989·Granted Nov 19, 1991·44 cites·27 claims
- 2274US5014499AStretch stress relief for bag thermo-cross-seals in vertical form, fill and seal machinesZIP PAK INC·Filed 1990·Granted May 14, 1991·30 cites·12 claims
- 2372US5047002AApparatus and method for making Z-folded zippered filmZIP PAK INC·Filed 1990·Granted Sep 10, 1991·28 cites·16 claims
- 2470US4991379ASubstantially frictionless and static-free former and feed tubeZIP PAK INC·Filed 1990·Granted Feb 12, 1991·27 cites·5 claims
- 2562US5054270ABag support/spreader for vertical form, fill and seal machinesZIP PAK INC·Filed 1990·Granted Oct 8, 1991·27 cites·4 claims
- 2662US5014497AMethod and apparatus for smoothing of bag making material in form, fill and seal machinesZIP PAK INC·Filed 1990·Granted May 14, 1991·20 cites·20 claims
- 2761US5026563AZippered closure for thermoformed packageZIP PAK INC·Filed 1989·Granted Jun 25, 1991·28 cites·5 claims
- 2858US5002781ABacon/meat packageZIP PAK INC·Filed 1990·Granted Mar 26, 1991·27 cites·5 claims
- 2954US5021117ASealing jaw for heat sealable film with zippered sectionZIP PAK INC·Filed 1989·Granted Jun 4, 1991·15 cites·18 claims
- 3045US5048270AWrinkle free film spreader device for form, fill and seal machinesZIP PAK INC·Filed 1990·Granted Sep 17, 1991·10 cites·20 claims
- 3141US5031848AGuiding spirally wound zippered film to a constant infeed pointZIP PAK INC·Filed 1990·Granted Jul 16, 1991·5 cites·20 claims
- 3240US4963807AUltrasonic web edge guide circuitZIP PAK INC·Filed 1990·Granted Oct 16, 1990·11 cites·18 claims
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