Guntersville, AL, United States of America

John D Langley

This inventor holds 14 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent. Top assignees: Kappler Safety Group, Kappler, Inc., E.i. Dupont De Nemours and Company. Active years: 1987-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John D Langley. Retrieved from https://idiyas.com/inventor/john-d-langley

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

USPTO Granted Patents = 14 (Patent Applications = 2)

% Patents Active = 85.7

CIPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 1.3

ph-index = 14

Forward Citations = 644(Granted Patents)

Location History:

Guntersville, NC (US) (2007)
Guntersville, AL (US) (1987 - 2009)

Company Filing History:

E.i. Dupont De Nemours and Company

patents

4. 2 out of 834,570

Other

patents

Years Active: 1987-2009

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7501357 - Vapor permeable, liquid impermeable composite fabric and fabrication process (2009-03-10),

2. 7196023 - Chemically resistant radiation attenuation barrier (2007-03-27),

3. 7157388 - Outdoor fabric (2007-01-02),

4. 5948708 - Vapor protection suit and fabric having flash fire resistance (1999-09-07),

5. 5869193 - Breathable polyvinyl alcohol protection wear (1999-02-09),

6. 5728451 - Breathable non-woven composite viral penetration barrier fabric and (1998-03-17),

7. 5560974 - Breathable non-woven composite barrier fabric and fabrication process (1996-10-01),

8. 5409761 - Breathable non-woven composite barrier fabric and fabrication process (1995-04-25),

9. 5169697 - Seaming tape for composite chemical barrier fabrics and method of (1992-12-08),

10. 4938817 - Method of forming bonded seams of spunbonded polyolefin fabric and (1990-07-03),

11. 4855178 - Composite chemical barrier fabric (1989-08-08),

12. 4833010 - Composite chemical barrier fabric (1989-05-23),

13. 4683593 - Protective garment (1987-08-04),

14. 4670073 - Bonding man-made fabrics to form protective garments without use of (1987-06-02),

Title: Innovations of John D. Langley

Introduction

John D. Langley is a notable inventor based in Guntersville, Alabama, recognized for his contributions to the field of composite fabrics. With a total of 14 patents to his name, Langley has developed innovative materials that address various environmental and safety challenges.

Latest Patents

Among his latest patents is a vapor permeable, liquid impermeable composite fabric and fabrication process. This flexible fabric features a ultraviolet light stabilized and thermally stabilized microporous-formable polyolefin barrier layer, which is extrusion laminated to a polyolefin nonwoven fabric. The composite is designed to provide moisture vapor transmission while resisting water penetration, making it suitable for outdoor applications such as covers and building construction products. Another significant patent is for a chemically resistant radiation attenuation barrier. This multi-functional composite fabric is intended for use during chemical, biological, radiological, and nuclear countermeasure events. It combines the performance characteristics of chemically resistant films with radiation attenuating polymer matrices, offering protection against a wide range of military chemical agents and biological threats.

Career Highlights

Langley has worked with notable companies such as Kappler Safety Group and Kappler, Inc. His work has significantly advanced the development of protective materials that enhance safety in various environments.

Collaborations

Some of his coworkers include Barry S. Hinkle and Todd R. Carroll, who have contributed to his innovative projects.

Conclusion

John D. Langley's work in developing advanced composite fabrics showcases his commitment to innovation and safety. His patents reflect a deep understanding of material science and its applications in real-world scenarios.

Profile summary based on public USPTO records.