Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5423161 | Method for wrapping elongate load with wrapping film, apparatus therefor, and film-perforating mechanism | Gale W. Huson, Werner K. Diehl, Stanford C. Stone | 1995-06-13 |
| 5093167 | Workpiece for forming carrier tape | Donald L. Van Erden | 1992-03-03 |
| 5072571 | Zippered film plural sheet strip guide system and method for zippered film for form, fill and seal package making machines | — | 1991-12-17 |
| 5067302 | Sealing jaws for zippered foil or film in form, fill and seal machines | — | 1991-11-26 |
| 5063639 | Zippered closure for packages | Daniel P. McDonald | 1991-11-12 |
| 5031848 | Guiding spirally wound zippered film to a constant infeed point | — | 1991-07-16 |
| 5027584 | Method and apparatus for unfolding folded zipper film | Michael J. McMahon | 1991-07-02 |
| 5023122 | Easy open bag structure | Donald L. Van Erden | 1991-06-11 |
| 5021117 | Sealing jaw for heat sealable film with zippered section | — | 1991-06-04 |
| 5019027 | Method and apparatus for sealing reclosable flexible containers without spot sealing | Donald L. Van Erden, Mark D. Bauer | 1991-05-28 |
| 5015223 | Hotseal jaws and cutoff knife assembly for processing thermoplastic film bag making material | — | 1991-05-14 |
| 5014499 | Stretch stress relief for bag thermo-cross-seals in vertical form, fill and seal machines | — | 1991-05-14 |
| 4991379 | Substantially frictionless and static-free former and feed tube | — | 1991-02-12 |
| 4958053 | Carrier tape and method of manufacturing the same | Donald L. Van Erden | 1990-09-18 |
| 4949527 | Method of forming a reclosable tray | Steven Ausnit | 1990-08-21 |
| 4929225 | Method of making bags and bag material having hinged zipper strips | Steven Ausnit | 1990-05-29 |
| 4925316 | Reclosable bag having an outer reclosable zipper type closure and inner non-reclosable closure | Donald L. Van Erden | 1990-05-15 |
| 4896775 | Zippered thermal form tray system | Steven Ausnit | 1990-01-30 |
| 4869048 | Stretcher for package forming | — | 1989-09-26 |
| 4846585 | Easy open bag structure | Donald L. Van Erden | 1989-07-11 |
| 4844258 | Wide carrier tape | Donald L. Van Erden | 1989-07-04 |
| 4844759 | Method of and means for applying reclosable fasteners to plastic film | — | 1989-07-04 |
| 4840012 | Zippered film feed | — | 1989-06-20 |
| 4790126 | Fill and seal machine for reclosable bags | — | 1988-12-13 |
| 4786190 | Reclosable package having outer reclosable closure and inner non-reclosable closure | Donald L. Van Erden | 1988-11-22 |