Indianapolis, IN, United States of America

Douglas Mitchell

This inventor holds 18 USPTO granted patents, primarily in Exhaust Aftertreatment. Top assignees: Cummins Emission Solutions Inc., Cummins IP, Inc., Cummins Inc.. Active years: 2013-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglas Mitchell. Retrieved from https://idiyas.com/inventor/douglas-mitchell

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 5

Forward Citations = 66(Granted Patents)


Location History:

  • Columbus, IN (US) (2013 - 2016)
  • Indianapolis, IN (US) (2016 - 2022)

Company Filing History:


Years Active: 2013-2022

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Areas of Expertise:
Reductant System
SCR Aftertreatment
Diesel Exhaust Fluid
Constant Volume Injection
Deposit Mitigation
Performance Evaluation
In-Line Decomposition
Spatial Reconstruction
Gaseous Delivery Devices
Compact Reactor Pipe
Variable Cross-Section
Diagnosis Apparatus
18 patents (USPTO):Explore Patents

Title: Innovation in Exhaust Gas Treatment: The Ingenious Work of Douglas Mitchell

Introduction:

Douglas Mitchell, a prolific inventor based in Indianapolis, IN, has made significant contributions in the field of exhaust gas treatment technologies. With an impressive portfolio of 18 patents, Mitchell is known for his groundbreaking innovations in selective catalytic reduction systems.

Latest Patents:

Mitchell's latest patents showcase his expertise in developing advanced exhaust gas treatment systems. One of his recent inventions is the 'Integrative reductant system and method using constant volume injection,' which revolutionizes the process of treating exhaust gases from internal combustion engines. This system efficiently injects diesel exhaust fluid (DEF) into the exhaust gases in a series of constant volume pulses, tailored based on the variable oxides of nitrogen content in the emissions.

Another noteworthy patent by Mitchell is the 'Uniformity index performance evaluation in an SCR aftertreatment system,' which introduces a novel exhaust test apparatus for evaluating the performance of aftertreatment systems. This innovative technology allows for precise measurements of exhaust constituents by strategically positioning an exhaust probe within the exhaust flow path.

Career Highlights:

Mitchell has held key positions at renowned companies such as Cummins Emission Solutions Inc. and Cummins Ip, Inc., where he has spearheaded research and development initiatives in the field of emissions control technologies. His extensive experience in the industry has led to the successful commercialization of several innovative solutions for reducing harmful emissions from vehicles.

Collaborations:

Throughout his career, Mitchell has collaborated with accomplished professionals in the field, including Mihai Chiruta and Lindsey R Henry. Together, they have worked on pioneering projects that have pushed the boundaries of exhaust gas treatment technologies and set new standards for environmental sustainability.

Conclusion:

Douglas Mitchell's relentless pursuit of innovation and his profound understanding of exhaust gas treatment systems have established him as a leading figure in the industry. His inventive patents and collaborative efforts underscore his commitment to creating a cleaner and more sustainable future for generations to come.

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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