Sioux Falls, SD, United States of America

David M Christensen

This inventor holds 7 USPTO granted patents and 1 published patent application, plus 4 CIPO patents. Top assignees: Empire Comfort Systems, Inc., American Hearth Systems, Inc.. Active years: 2001-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David M Christensen. Retrieved from https://idiyas.com/inventor/david-m-christensen-hs5oxjkp

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

Calculating rank
USPTO Granted Patents = 7 

% Patents Active = 57.1

 

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 164(Granted Patents)


Location History:

  • O'Fallon, IL (US) (2001 - 2005)
  • Sioux Falls, SD (US) (2015 - 2021)

Company Filing History:


Years Active: 2001-2021

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7 patents (USPTO):Explore Patents

Title: The Innovative Contributions of David M Christensen

Introduction

David M Christensen is a notable inventor based in Sioux Falls, SD (US). He has made significant contributions to the field of heating technology, holding a total of 7 patents. His work focuses on enhancing the efficiency and functionality of heating systems, particularly through innovative designs that incorporate condensate collection and humidification.

Latest Patents

One of Christensen's latest patents is for a high-efficiency heater with condensate collection and humidification. This invention features a burner and two heat exchangers, with the second heat exchanger designed to facilitate the flow of condensate to a collection point. The heater includes a trap equipped with a sensor to monitor fluid buildup, providing feedback to the heater controls. Additionally, the design incorporates a collection pan that can either vaporize the fluid using a heating element or an ultrasonic vaporization element, allowing for the expulsion of heated, humidified air.

Career Highlights

Throughout his career, David M Christensen has worked with several companies, including Empire Comfort Systems, Inc. and American Hearth Systems, Inc. His experience in these organizations has contributed to his expertise in developing advanced heating solutions.

Collaborations

Christensen has collaborated with notable individuals in the industry, including Bruce Dresner and Scott G Schulte. These partnerships have likely played a role in the successful development and implementation of his innovative heating technologies.

Conclusion

David M Christensen's contributions to heating technology through his patents and collaborations highlight his role as a significant inventor in the field. His innovative designs continue to influence the efficiency and effectiveness of heating systems today.

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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