Longmont, CO, United States of America

James L Christofferson

This inventor holds 9 USPTO granted patents and 3 published patent applications and 2 EPO patents. Top assignees: Sunrise Medical Hhg, Inc., Sunrise Medical (US) LLC. Active years: 1999-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James L Christofferson. Retrieved from https://idiyas.com/inventor/james-l-christofferson

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

USPTO Granted Patents = 9 

% Patents Active = 66.7


Average Co-Inventor Count = 3.0

ph-index = 8

Forward Citations = 212(Granted Patents)


Location History:

  • Longment, CO (US) (2006)
  • Longmont, CO (US) (1999 - 2012)

Company Filing History:


Years Active: 1999-2012

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9 patents (USPTO):Explore Patents

Title: Innovations by James L Christofferson

Introduction

James L Christofferson is a notable inventor based in Longmont, Colorado. He has made significant contributions to the field of assistive technology, particularly in wheelchair design. With a total of 9 patents to his name, Christofferson's work focuses on enhancing the functionality and comfort of wheelchair users.

Latest Patents

Among his latest innovations is the "Wheelchair seatback with two-point mounting hardware." This invention allows the seat back to be mounted on various wheelchairs, featuring a two-point mounting system that enables independent height adjustment of the seat back. Another significant patent is the "Shapeable wheelchair seatback assembly," which includes a backrest made from shapeable material. This design allows users to adjust the curvature of the backrest, providing personalized comfort and support.

Career Highlights

Throughout his career, Christofferson has worked with reputable companies in the assistive technology sector. Notably, he has been associated with Sunrise Medical Hhg, Inc. and Sunrise Medical (US) LLC. His work in these organizations has contributed to advancements in wheelchair technology and user experience.

Collaborations

Christofferson has collaborated with several professionals in his field, including Thomas J Whelan and Vincent J Frerich. These partnerships have fostered innovation and development in assistive devices.

Conclusion

James L Christofferson's contributions to wheelchair technology through his patents and collaborations have significantly improved the lives of many users. His innovative designs continue to set new standards in the industry.

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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