James Michael Lundgreen

This inventor holds 23 USPTO granted patents and 25 published patent applications, plus 1 CIPO patent and 1 EPO patent, primarily in Steam Systems. Top assignees: Dri-Steem Corporation, Di-Steem Corporation. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James Michael Lundgreen. Retrieved from https://idiyas.com/inventor/james-michael-lundgreen

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

Calculating rank

USPTO Granted Patents = 23 (Patent Applications = 25)

% Patents Active = 100.0

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 2.4

ph-index = 4

Forward Citations = 51(Granted Patents)

Company Filing History:

22 out of 23

Dri-Steem Corporation

Years Active: 2010-2026

Loading Chart...

Areas of Expertise:

Gas-Fired Humidifier

Heat Exchanger

Steam Dispersion

Evaporative Media

Condensate Removal

Nucleation Boiling

Automatic Drain

Staging Control

Multiple Pump Systems

Demand Activated

Insulation

Quick-Attach Tubes

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12768552 - Humidifier with automatic drain interval determination (2026-10-20),

2. 11940178 - Condensing, ultra-low NOx gas-fired humidifier (2024-03-26),

3. 11421899 - Condensing, ultra-low NOx gas-fired humidifier (2022-08-23),

4. 11262090 - Humidifier with automatic drain interval determination (2022-03-01),

5. 10634373 - Heat exchanger for removal of condensate from a steam dispersion system (2020-04-28),

6. 10174960 - Steam dispersion system (2019-01-08),

7. 10088180 - Steam dispersion system (2018-10-02),

8. 9841200 - Heat exchanger for removal of condensate from a steam dispersion system (2017-12-12),

9. 9814793 - Staged dry out control for evaporative media systems (2017-11-14),

10. 9801964 - Evaporative cycles of concentration control (2017-10-31),

11. 9675719 - Staging control for an evaporative media system (2017-06-13),

12. 9603957 - Multiple pump evaporative media system (2017-03-28),

13. 9459055 - Heat transfer system including tubing with nucleation boiling sites (2016-10-04),

14. 9353961 - Insulation for a steam carrying apparatus and method of attachment thereof (2016-05-31),

15. 9194595 - Heat exchanger for removal of condensate from a steam dispersion system (2015-11-24),

Title: **James Michael Lundgreen: A Pioneer in High-Efficiency Humidification Technology**

Introduction

James Michael Lundgreen, based in Lakeville, MN, is a notable inventor with an impressive portfolio of 22 patents. His work primarily focuses on innovative technologies that enhance energy efficiency and reduce environmental impact, particularly in the field of gas-fired humidification.

Latest Patents

Among his latest inventions is the "Condensing, ultra-low NOx gas-fired humidifier." This advanced device is designed to operate with high efficiency, achieving over 90 percent efficiency while maintaining NOx emissions of less than 20 parts per million (ppm). The innovative design features a secondary heat exchanger with two distinct heat exchange sections: one for pre-heating combustion air and another for pre-heating make-up water. These sections are strategically aligned to facilitate heat transfer from exhaust gases produced by the gas-fired burner and combustion blower assembly, exemplifying James’s commitment to developing environmentally friendly solutions.

Career Highlights

Throughout his career, James has made significant contributions to the field while working for reputable companies like Dri-steem Corporation. His dedication to innovation has enabled the development of systems that prioritize both efficiency and sustainability in humidification processes, making a lasting impact on the industry.

Collaborations

James has had the opportunity to collaborate with esteemed professionals such as Mark Allen Kirkwold and Robert Russell Nelson. These collaborations have fostered a creative environment, leading to the development of groundbreaking technologies that have advanced the field of humidification.

Conclusion

James Michael Lundgreen's innovative spirit and commitment to efficiency have solidified his place as a key figure in humidification technology. His work continues to inspire future generations of inventors and contributes significantly to creating sustainable and efficient solutions in the industry.

Profile summary based on public USPTO records.