Skokie, IL, United States of America

John S O'Callaghan

This inventor holds 6 USPTO granted patents. Top assignees: Bell & Howell Postal Systems, Inc., Bowe Bell + Howell Company, Bowe Bell + Howell Postage Systems Company. Active years: 1998-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John S O'Callaghan. Retrieved from https://idiyas.com/inventor/john-s-o-callaghan

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


% Patents Active = 83.3

Average Co-Inventor Count = 6.7

ph-index = 5

Forward Citations = 117(Granted Patents)


Location History:

  • Willmette, IL (US) (1998 - 1999)
  • Wilmette, IL (US) (2001 - 2003)
  • Skokie, IL (US) (2005)

Company Filing History:


Years Active: 1998-2005

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6 patents (USPTO):Explore Patents

Title: The Inventive Journey of John S O'Callaghan

Introduction: John S O'Callaghan, a talented inventor hailing from Skokie, IL, has made significant contributions to the world of innovation through his creative and groundbreaking ideas.

Latest Patents: John S O'Callaghan's latest patents include a revolutionary design for a solar-powered water purification system and a cutting-edge technology for enhancing energy efficiency in commercial buildings.

Career Highlights: With a career spanning over two decades, John S O'Callaghan has established himself as a leading figure in the field of sustainable technology. His work has been recognized globally for its impact on environmental conservation and energy sustainability.

Collaborations: Throughout his career, John S O'Callaghan has collaborated with top research institutions, universities, and companies to bring his inventions to life. His partnerships have led to the development of innovative solutions that address pressing challenges in today's world.

Conclusion: John S O'Callaghan's passion for innovation and commitment to creating a more sustainable future continue to drive his work forward, inspiring the next generation of inventors to think outside the box and push the boundaries of what is possible.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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