Arlington Heights, IL, United States of America

Earl R Refsland

This inventor holds 1 USPTO granted patent. Top assignee: Hudson Oxygen Therapy Sales Company. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Earl R Refsland. Retrieved from https://idiyas.com/inventor/earl-r-refsland

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 60(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: An Insight into the Innovations of Earl R. Refsland

Introduction

Earl R. Refsland is a notable inventor based in Arlington Heights, IL, with a unique contribution to the field of humidity control. With a patent awarded for his innovative feeding system, Refsland's work exemplifies the intersection of engineering and health care.

Latest Patents

Earl R. Refsland holds one patent focused on a feeding system designed to connect a humidifier to a reservoir. This patent describes a system comprising a first elongated conduit for feeding water from the reservoir to the humidifier and a second conduit for passing air from the humidifier back to the reservoir. The design efficiently establishes fluid communication between the components, with the conduits ingeniously positioned within the humidifier.

Career Highlights

Refsland is currently employed at Hudson Oxygen Therapy Sales Company, where he applies his expertise to enhance oxygen delivery and humidity systems. His work is critical to improving patient care, particularly for individuals requiring respiratory support.

Collaborations

Working alongside his colleague, Orlando D. Cambio, Jr., Refsland collaborates in efforts to innovate and deliver superior therapeutic solutions. Their teamwork reflects a shared vision for advancements in medical technology.

Conclusion

Earl R. Refsland's contributions to invention and innovation in humidification systems demonstrate the importance of practical engineering solutions in health care. His work not only exemplifies creativity but also a commitment to improving the quality of life for those in need of respiratory support.

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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