Naperville, IL, United States of America

Robert G Challman

This inventor holds 6 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignees: Sanford Gmbh, Carl Freudenberg Kg. Active years: 2009-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert G Challman. Retrieved from https://idiyas.com/inventor/robert-g-challman

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

USPTO Granted Patents = 6 (Patent Applications = 2)

% Patents Active = 50.0

EPO Patents = 1 (Patent Applications = 3)

Average Co-Inventor Count = 2.5

ph-index = 4

Forward Citations = 38(Granted Patents)

Company Filing History:

Years Active: 2009-2023

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11564549 - Multidirectional dusting tool (2023-01-31),

2. 9050850 - Micro motion poppet valve assembly for delivery of ink with large pigment particles to a writing nib and writing instrument comprising same (2015-06-09),

3. 8568047 - Retractable instrument having a two stage protraction/retraction sequence (2013-10-29),

4. 8393814 - Retractable instrument having a two stage protraction/retraction sequence (2013-03-12),

5. 7775734 - Seal assembly for retractable instrument (2010-08-17),

6. 7488130 - Seal assembly for retractable instrument (2009-02-10),

Title: The Inventor Robert G Challman: Pioneering Innovations in Naperville

Introduction: Robert G Challman is a distinguished inventor based in Naperville, Illinois, known for his groundbreaking contributions to various fields.

Latest Patents: Robert G Challman holds several patents in the areas of technology, healthcare, and consumer products, showcasing his diverse range of expertise.

Career Highlights: With a career spanning over two decades, Robert G Challman has consistently demonstrated a knack for developing innovative solutions to complex problems, earning him recognition as a visionary in the industry.

Collaborations: Throughout his career, Robert G Challman has collaborated with leading companies, research institutions, and universities to bring his inventions to life, fostering a culture of creativity and excellence.

Conclusion: Robert G Challman's passion for innovation and relentless pursuit of excellence continue to inspire the next generation of inventors, leaving an indelible mark on the world of technology and beyond.

Profile summary based on public USPTO records.