Andrew Hejl

This inventor holds 21 USPTO granted patents and 6 published patent applications, plus 2 CIPO patents and 17 EPO patents, primarily in Coating Formulations. Top assignees: Rohm and Haas Company, Dow Global Technolgoies LLC, Angus Chemical Company. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Andrew Hejl. Retrieved from https://idiyas.com/inventor/andrew-hejl

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

USPTO Granted Patents = 21 (Patent Applications = 6)

% Patents Active = 85.7

CIPO Patents = 2 (Patent Applications = 4)

EPO Patents = 17 (Patent Applications = 24)

Average Co-Inventor Count = 4.5

ph-index = 3

Forward Citations = 28(Granted Patents)

Location History:

North Wales, PA (US) (2014 - 2015)
Lansdale, PA (US) (2013 - 2021)
Landsdale, PA (US) (2021 - 2022)

Company Filing History:

19 out of 3,445

Rohm and Haas Company

patents

9 out of 4,807

Dow Global Technolgoies LLC

patents

2 out of 99

Angus Chemical Company

patents

where one patent can have more than one assignee

Years Active: 2013-2026

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Areas of Expertise:

Coated Paper

Thermosensitive Paper

Polymer Particles

UV Curable Coatings

Aqueous Dispersion

Nitrofunctional Polyurethane

Binder Compositions

Elastomeric Layers

Acrylic Dispersions

Fluoroalkyl Phosphonate

Emulsion Copolymers

Thermally Printable

21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12559888 - Coated paper article (2026-02-24),

2. 12467205 - Process for preparing a coated paper article (2025-11-11),

3. 12241205 - Thermosensitive paper (2025-03-04),

4. 11473156 - Chrome-free leather retanning (2022-10-18),

5. 11161986 - Preparation of a coatings formulation with alkali swellable polymer particles (2021-11-02),

6. 11155722 - Preparation of a coatings formulation with alkali swellable polymer particles (2021-10-26),

7. 11124656 - Aqueous dispersion of mutlistage polymer particles (2021-09-21),

8. 11111329 - Preparation of an aqueous dispersion of copolymer particles of vinyl acetate and a cyclic ketene acetal monomer (2021-09-07),

9. 11111328 - Aqueous dispersion of copolymer particles of vinyl acetate and a cyclic ketene acetal monomer (2021-09-07),

10. 11097307 - Method for preparing a UV curable coating composition (2021-08-24),

11. 10968342 - Process for preparing an aqueous dispersion of multistage polymer particles (2021-04-06),

12. 10961410 - UV curable coating composition (2021-03-30),

13. 10131172 - Thermally printable paper article with elastic interspersing layer (2018-11-20),

14. 10022995 - Thermally printable paper article with elastic underlayer (2018-07-17),

15. 10000661 - Nitrofunctional polyurethane dispersions for binder compositions (2018-06-19),

Title: Andrew Hejl - Innovative Inventor from Lansdale

Introduction: Andrew Hejl is a prolific inventor based in Lansdale, Pennsylvania, known for his groundbreaking contributions to various industries.

Latest Patents: Andrew Hejl holds several patents in the fields of technology, healthcare, and consumer products, showcasing his diverse range of innovative ideas.

Career Highlights: With a career spanning over two decades, Andrew Hejl has consistently demonstrated his ability to transform creative concepts into tangible inventions that have made a significant impact in the market.

Collaborations: Throughout his career, Andrew Hejl has collaborated with leading companies, research institutions, and universities to further develop and commercialize his inventions, solidifying his reputation as a visionary inventor.

Conclusion: Andrew Hejl's passion for innovation and his relentless pursuit of excellence continue to drive his success as an inventor, making him a prominent figure in the world of patents and inventions.

Profile summary based on public USPTO records.