Joseph C Dangrow

This inventor holds 26 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 1 EPO patent, primarily in Ladder Design. Top assignee: Werner Co.. Active years: 2007-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joseph C Dangrow. Retrieved from https://idiyas.com/inventor/joseph-c-dangrow

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

Calculating rank

USPTO Granted Patents = 26 (Patent Applications = 3)

% Patents Active = 69.2

CIPO Patents = 1

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 3.8

ph-index = 9

Forward Citations = 192(Granted Patents)

Location History:

Fredonia, PA (US) (2007 - 2020)
Mercer, PA (US) (2016 - 2024)

Company Filing History:

25 out of 238

Werner Co.

patents

where one patent can have more than one assignee

Years Active: 2007-2026

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Areas of Expertise:

Ladder Leveler

Interlocking Work Platform

Ladder Top

Conduit Holder Slot

Dynamic Hinge

Locking Hinge

Foot Design

Transportation Clip

Stepladder

Ladder Feet

26 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12687070 - Ladder feet (2026-07-21),

2. 12398597 - Ladder and ladder top (2025-08-26),

3. 12392197 - Ladder, top and method (2025-08-19),

4. 11933106 - Ladder, foot and method (2024-03-19),

5. 11536087 - Stepladder having a ladder top with conduit holder slot and method (2022-12-27),

6. 11473318 - Interlocking work platform system and method (2022-10-18),

7. D935053 - Ladder (2021-11-02),

8. D905869 - Ladder top (2020-12-22),

9. 10801263 - Ladder with top for holding an impact driver and method (2020-10-13),

10. 10760337 - Ladder leveler and method (2020-09-01),

11. D887581 - Ladder top (2020-06-16),

12. 10612305 - Ladder, Top and Method (2020-04-07),

13. 10590703 - Ladder, top and method (2020-03-17),

14. 10494824 - Interlocking work platform system and method (2019-12-03),

15. 10458183 - Stepladder having a ladder top with conduit holder slot and method (2019-10-29),

Title: The Innovative Journey of Joseph C Dangrow

Introduction: Joseph C Dangrow, a talented inventor hailing from Fredonia, PA (US), has made significant contributions to the world of innovation with his creative mind and dedication to progress.

Latest Patents: Joseph C Dangrow holds several patents in various fields, showcasing his versatility and ingenuity in inventing new solutions to existing problems.

Career Highlights: Throughout his illustrious career, Joseph C Dangrow has been recognized for his groundbreaking inventions that have had a positive impact on industries such as technology, healthcare, and sustainability.

Collaborations: Joseph C Dangrow has collaborated with leading experts in the field, including renowned researchers, engineers, and scientists, to bring his innovative ideas to life and create tangible solutions for the future.

Conclusion: Joseph C Dangrow's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors to push the boundaries of what is possible and make a lasting impact on the world.

Profile summary based on public USPTO records.