Des Moines, WA, United States of America

Douglas Wayne Karkow

This inventor holds 48 USPTO granted patents and 34 published patent applications and 9 EPO patents, primarily in Combustion Systems. Top assignees: Clearsign Combustion Corporation, Clearsign Technologies Corporation, Clearsign Comubstion Corporation. Active years: 2016-2025.

USPTO Granted Patents = 48 (Patent Applications = 34)

% Patents Active = 62.5

EPO Patents = 9 (Patent Applications = 6)

Average Co-Inventor Count = 3.8

ph-index = 6

Forward Citations = 199(Granted Patents)

Location History:

Des Moines, WA (US) (2016 - 2022)
Manchester, IA (US) (2019 - 2022)
Mount Vernon, IA (US) (2019 - 2024)

Company Filing History:

29 out of 83

Clearsign Combustion Corporation

patents

17 out of 26

Clearsign Technologies Corporation

patents

1 out of 1

Clearsign Comubstion Corporation

patent

4. 1 out of 1

Clearsign Technologies Coporation

patent

Years Active: 2016-2025

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Areas of Expertise:

Combustion Systems

Perforated Flame Holder

Low NOx Burners

Firetube Boiler

Flame Stabilizers

Fuel Combustion

Burner Technology

Fluid Heater

Combustion Assemblies

Electrically Controlled Flow

High Output Burners

Flame Visualization

48 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12359804 - Burner system with discrete transverse flame stabilizers (2025-07-15),

2. 12066248 - Burner system including a plurality of perforated flame holders (2024-08-20),

3. 11953201 - Control system and method for a burner with a distal flame holder (2024-04-09),

4. 11953199 - Burner and burner system with flange mount (2024-04-09),

5. 11473774 - Methods of upgrading a conventional combustion system to include a perforated flame holder (2022-10-18),

6. 11460188 - Ultra low emissions firetube boiler burner (2022-10-04),

7. 11435143 - Burner system with discrete transverse flame stabilizers (2022-09-06),

8. 11313553 - Plug and play burner (2022-04-26),

9. 11248786 - Method for a perforated flame holder with adjustable fuel nozzle (2022-02-15),

10. 11221137 - Field installed perforated flame holder and method of assembly and installation (2022-01-11),

11. 11156356 - Fuel combustion system with a perforated reaction holder (2021-10-26),

12. 11047572 - Porous flame holder for low NOx combustion (2021-06-29),

13. 10823401 - Burner system including a non-planar perforated flame holder (2020-11-03),

14. 10808927 - Pre-mixed fuel burner with perforated flame holder (2020-10-20),

15. 10808925 - Method for electrically controlled combustion fluid flow (2020-10-20),

Title: Douglas Wayne Karkow - Innovative Inventor from Des Moines

Introduction: Douglas Wayne Karkow is a renowned inventor based in Des Moines, Washington. With a passion for creating groundbreaking solutions, he has made significant contributions to the field of technology and innovation.

Latest Patents: Douglas Wayne Karkow holds several patents in various technological domains, showcasing his versatility and creativity in inventing new solutions to complex problems.

Career Highlights: Throughout his career, Douglas Wayne Karkow has been recognized for his innovative spirit and dedication to pushing the boundaries of technology. His inventions have had a profound impact on industries ranging from healthcare to telecommunications.

Collaborations: Douglas Wayne Karkow has collaborated with leading tech companies and research institutions to bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of his projects.

Conclusion: In conclusion, Douglas Wayne Karkow stands out as a visionary inventor who continues to inspire others with his groundbreaking creations. His passion for innovation and commitment to excellence make him a true pioneer in the world of technology.