For the Inventor, By the Inventor

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Northbrook, IL, United States of America

Zip-pak Incorporated

USPTO Granted Patents = 32

CIPO Patents = 2

Trademarks = 2

Forward Citations = 928

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12 inventors (with patents filed for the assignee):

Hugo Boeckmann (12 out of 32 patents)

Michael J McMahon (6 out of 53 patents)

Daniel P McDonald (5 out of 20 patents)

4. Donald L Van Erden (5 out of 107 patents)

5. Steven Ausnit (3 out of 149 patents)

6. Paul A Tilman (3 out of 45 patents)

7. Jon Wendling (1 out of 1 patent)

8. John Wojcik (1 out of 1 patent)

9. Larry M Zieke (1 out of 12 patents)

10. James C Pawloski (1 out of 1 patent)

11. Stanley Veoukas (1 out of 1 patent)

12. Miklos D Hornai (1 out of 4 patents)

32 patents: Sort by Forward Citations

1. D342220 - Snowmobile hood (1993-12-14),

2. 5096516 - Method of making dual reuseable pouches (1992-03-17),

3. 5085031 - Transverse zipper application for horizontal form, fill and seal machine (1992-02-04),

4. 5072571 - Zippered film plural sheet strip guide system and method for zippered (1991-12-17),

5. 5071689 - Hinged zipper (1991-12-10),

6. 5067302 - Sealing jaws for zippered foil or film in form, fill and seal machines (1991-11-26),

7. 5065899 - Sectional or pre-cut zipper strips, magazine storage and feed means, and (1991-11-19),

8. 5063639 - Zippered closure for packages (1991-11-12),

9. 5063069 - Zippered closure for thermoformed package (1991-11-05),

10. 5054270 - Bag support/spreader for vertical form, fill and seal machines (1991-10-08),

11. 5048270 - Wrinkle free film spreader device for form, fill and seal machines (1991-09-17),

12. 5047002 - Apparatus and method for making Z-folded zippered film (1991-09-10),

13. 5042224 - Zipper tracking in form, fill and seal package machines (1991-08-27),

14. 5031848 - Guiding spirally wound zippered film to a constant infeed point (1991-07-16),

15. 5026563 - Zippered closure for thermoformed package (1991-06-25),

Zip-pak Incorporated is a global leader in resealable packaging solutions. With over 50 years of experience, the company offers innovative and reliable zipper and closure systems for a wide range of flexible packaging applications. Zip-pak's products are designed to provide convenience, freshness, and protection for food, consumer goods, and industrial products. With a commitment to sustainability, Zip-pak continually develops eco-friendly packaging solutions to reduce waste and carbon footprint. Visit their website to explore their extensive range of packaging solutions and learn more about their industry-leading innovations.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

32 Patents

#8 in Northbrook, IL

#551 in Illinois

#10,234 in US

#20,074 in the World

Northbrook, IL, United States of America

Zip-pak Incorporated

Forward Citations = 928

12 inventors:

Hugo Boeckmann (12 out of 32 patents)

Michael J McMahon (6 out of 53 patents)

Daniel P McDonald (5 out of 20 patents)

4. Donald L Van Erden (5 out of 107 patents)

5. Steven Ausnit (3 out of 149 patents)

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