Dennis W Johnson

This inventor holds 63 USPTO granted patents and 7 published patent applications, plus 4 CIPO patents and 3 EPO patents, primarily in Flue Gas Treatment (CPC class 4221). Top assignees: The Babcock & Wilcox Company, Fluor Technologies Corporation, Mcdermott Technology, Inc.. Active years: 1991-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dennis W Johnson. Retrieved from https://idiyas.com/inventor/dennis-w-johnson

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

Calculating rank

USPTO Granted Patents = 63 (Patent Applications = 7)

% Patents Active = 77.8

CIPO Patents = 4 (Patent Applications = 2)

EPO Patents = 3 (Patent Applications = 1)

Average Co-Inventor Count = 2.5

ph-index = 16

Forward Citations = 977(Granted Patents)

Forward Citations (Not Self Cited) = 916(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Barberton, OH (US) (1991 - 2012)
Simpsonville, NC (US) (2015)
Simpsonville, SC (US) (2013 - 2019)

Company Filing History:

46 out of 1,158

The Babcock & Wilcox Company

patents

10 out of 248

Fluor Technologies Corporation

patents

2 out of 67

Mcdermott Technology, Inc.

patents

4. 1 out of 14

Airborne Industrial Minerals, Inc.

patents

5. 1 out of 1

Airborne International Holdings LLC

Envirosolv Energy LLC

Years Active: 1991-2019

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Areas of Expertise:

Flue Gas Desulfurization

Particulate Removal

Scrubbing Systems

Catalytic Reduction

Gas Treatment

Steam Injection

Absorber Systems

Heat Exchanger

Condensing Heat

Air Toxic Control

Kraft Recovery

Nitrogen Oxides

63 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10167982 - Stacked duct assemblies (2019-01-01),

2. 9919266 - Systems and methods for treatment of flue gas (2018-03-20),

3. 9709271 - Thermally controlled combustion system (2017-07-18),

4. 9702494 - Duct assemblies with internally bolted expansion joint (2017-07-11),

5. 9492786 - Multi-purpose absorber (2016-11-15),

6. 9108123 - Steam efficiency with non depletive condensing and adiabatic solvent heating (2015-08-18),

7. 9034081 - Down-flow direct contact cooler (2015-05-19),

8. 8951489 - [object Object] (2015-02-10),

9. 8882896 - Multi-directional outlet transition and hood (2014-11-11),

10. 8591844 - Start up catalyst heating (2013-11-26),

11. 8414852 - Prevention of nitro-amine formation in carbon dioxide absorption processes (2013-04-09),

12. 8242324 - [object Object] (2012-08-14),

13. 7628967 - [object Object] (2009-12-08),

14. 7514053 - Method for removing sulfur dioxide, mercury, and nitrogen oxides from a gas stream (2009-04-07),

15. 7294322 - Collection scoop for flue gas desulfurization systems with bleed streams or ex situ forced oxidation (2007-11-13),

Title: The Inventor Dennis W Johnson: Pioneering Innovations in Barberton

Introduction: Dennis W Johnson is a renowned inventor based in Barberton, Ohio, known for his groundbreaking contributions to various industries through his innovative creations.

Latest Patents: Dennis W Johnson holds several patents in the fields of technology, healthcare, and consumer products, showcasing his diverse range of expertise and creativity.

Career Highlights: Throughout his illustrious career, Dennis W Johnson has consistently pushed the boundaries of innovation, with his inventions revolutionizing the way we live and work. His commitment to excellence and passion for problem-solving have earned him a reputation as a visionary inventor.

Collaborations: Dennis W Johnson has collaborated with leading companies, research institutions, and universities to bring his inventions to life. His ability to work effectively in multidisciplinary teams has led to the successful development and commercialization of numerous groundbreaking technologies.

Conclusion: In conclusion, Dennis W Johnson's impact on the world of innovation is truly remarkable. His relentless pursuit of excellence and his dedication to creating solutions for the future continue to inspire inventors and entrepreneurs worldwide.

Profile summary based on public USPTO records.