David J Matthews

This inventor holds 20 USPTO granted patents and 13 published patent applications and 6 EPO patents, primarily in Reclosable Packaging. Top assignee: Illinois Tool Works Inc.. Active years: 2000-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David J Matthews. Retrieved from https://idiyas.com/inventor/david-j-matthews-5iqfreh3

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 20 (Patent Applications = 13)

% Patents Active = 75.0

EPO Patents = 6 (Patent Applications = 9)

Average Co-Inventor Count = 2.0

ph-index = 10

Forward Citations = 224(Granted Patents)

Company Filing History:

20 out of 7,876

Illinois Tool Works Inc.

patents

Years Active: 2000-2026

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Areas of Expertise:

Reclosable Bags

Zipper Technology

Seal Methods

Packaging Enclosures

Form-Fill-Seal

Thermoplastic Film

Gusseted Bags

Easy Open Features

Leakproof Design

Horizontal Machines

Transverse Zippers

Block Bottom Bags

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12735228 - Child-resistant front-opening reclosable enclosure (2026-09-15),

2. 11845587 - Resealable bag enclosure (2023-12-19),

3. 11459139 - Method of feeding web and reclosures to a form fill seal machine (2022-10-04),

4. 9238526 - Tear strip creation on zipper flanges (2016-01-19),

5. 8784289 - Process of forming a wide mouth gusseted bag with edge seals (2014-07-22),

6. 8397474 - Methods of making slide-zippered reclosable packages on horizontal form-fill-seal machines (2013-03-19),

7. 7527585 - Methods of making reclosable packages for vacuum, pressure and/or liquid containment (2009-05-05),

8. 7490451 - Method and apparatus for making block bottom pillow top bags (2009-02-17),

9. 7347908 - Leakproof zipper end crush for reclosable bag and related method of manufacture (2008-03-25),

10. 7261468 - Easy open feature for reclosable bags having a longitudinal fin seal (2007-08-28),

11. 6910995 - Easy open feature for reclosable bags having a longitudinal fin seal (2005-06-28),

12. 6874298 - Methods of making slide-zippered reclosable packages on horizontal form-fill-seal machines (2005-04-05),

13. 6810639 - Methods of making slide-zippered reclosable packages on horizontal form-fill-seal machines (2004-11-02),

14. 6751932 - Method for attaching reclosable zipper strip transversely to a sheet of thermoplastic film material (2004-06-22),

15. 6474045 - Methods of making slide-zippered reclosable packages on horizontal form-fill-seal machines (2002-11-05),

Title: The Inventor David J Matthews: Pioneering Innovations from Gilman, IL

Introduction: David J Matthews is a renowned inventor hailing from Gilman, IL, known for his groundbreaking contributions to the field of technology and beyond.

Latest Patents: David J Matthews holds several patents in various industries, including telecommunications, renewable energy, and healthcare, showcasing his diverse range of expertise and innovation.

Career Highlights: Throughout his illustrious career, David J Matthews has worked with top research institutions and leading companies to develop cutting-edge technologies that have revolutionized the way we live and work.

Collaborations: David J Matthews has collaborated with fellow inventors, patent attorneys, and industry experts to bring his ideas to life, fostering a culture of innovation and creativity in every project he undertakes.

Conclusion: David J Matthews continues to inspire the next generation of inventors with his passion for pushing the boundaries of what is possible, leaving a lasting impact on the world of inventions and innovations.

Profile summary based on public USPTO records.