For the Inventor, By the Inventor

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Wixom, MI, United States of America

Durr Environmental, Inc.

Calculating rank

USPTO Granted Patents = 14

% Expired Patents = 7.1

Forward Citations = 110

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15 inventors (with patents filed for the assignee):

Joseph M Klobucar (8 out of 28 patents)

Ajay Gupta (3 out of 3 patents)

Michael R Lutz (2 out of 2 patents)

4. Donald I McAnespie (1 out of 4 patents)

5. Sunjung Ahn (1 out of 1 patent)

6. Jason T Schroeder (1 out of 1 patent)

7. Jerry Wayne Noble (1 out of 1 patent)

8. Cary P Allen (1 out of 1 patent)

9. Richard Garvey (1 out of 2 patents)

10. Robert W Cox (1 out of 28 patents)

11. Frank Hussey (1 out of 1 patent)

12. Matthias Stegmueller (1 out of 1 patent)

13. Dana Wregglesworth (1 out of 1 patent)

14. Frank W Fenbert (1 out of 1 patent)

15. Dinesh Bhushan (1 out of 2 patents)

14 patents: Sort by Forward Citations

1. 6974318 - Online bakeout of regenerative oxidizers (2005-12-13),

2. 6579379 - Method of washing the media bed of a pollution abatement reactor (2003-06-17),

3. 6361253 - Method of forming a fire break in a duct (2002-03-26),

4. 6322356 - Pollution abatement reactor system having nonprismatic structured media (2001-11-27),

5. 6299847 - Ammonia catalytic abatement apparatus and method (2001-10-09),

6. 6294000 - Rotary concentrator and method of processing adsorbable pollutants (2001-09-25),

7. 6293735 - Apparatus for cleaning a duct (2001-09-25),

8. 6228329 - Two chamber regenerative thermal or catalytic oxidizer with purging circuit (2001-05-08),

9. 6164962 - Rapid cooling down method for regenerative thermal oxidizer (2000-12-26),

10. 6019940 - Method of processing industrial air stream for medical sterilizers (2000-02-01),

11. 6019902 - Fluid recovery system (2000-02-01),

12. 5925323 - Concentration averaging device for impurities in industrial air stream (1999-07-20),

13. 5891219 - Two stage rotary concentrator (1999-04-06),

14. 5730945 - Purge retention chamber incorporated into RTO inlet manifold (1998-03-24),

Company Overview

Durr Environmental, Inc., based in Wixom, MI, specializes in providing innovative solutions for environmental technology. The company focuses on developing systems and equipment aimed at reducing emissions and enhancing energy efficiency across various industries. With a strong emphasis on sustainability, Durr Environmental integrates advanced technologies to support cleaner production processes and compliance with environmental regulations. Their expertise spans air pollution control, waste management, and resource recovery, contributing to a greener future.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

14 Patents

#15 in Wixom, MI

#792 in Michigan

#22,368 in US

#42,384 in the World

Wixom, MI, United States of America

Durr Environmental, Inc.

Forward Citations = 110

15 inventors:

Joseph M Klobucar (8 out of 28 patents)

Ajay Gupta (3 out of 3 patents)

Michael R Lutz (2 out of 2 patents)

4. Donald I McAnespie (1 out of 4 patents)

5. Sunjung Ahn (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Durr Environmental, Inc.. Retrieved from https://idiyas.com/company/durr-environmental

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

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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