% Expired Patents = 36.4

Trademarks = 6

Forward Citations = 15

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5 inventors (with patents filed for the assignee):

Charles E Tharp (11 out of 35 patents)

Randall C Chann (3 out of 6 patents)

Warrick S Wadman (2 out of 2 patents)

4. David A Capron (2 out of 2 patents)

5. Randy K Hulsebus (1 out of 1 patent)

6. Peter Riddell (0 patent)

11 patents: Sort by Forward Citations

1. 11845043 - Large bubble mixer and method of using same in a wastewater treatment system (2023-12-19),

2. 11325079 - Combined coarse and fine bubble diffuser (2022-05-10),

3. 10150684 - System and method for preventing ammonia rebound in a cold-weather bioreactor (2018-12-11),

4. 10105660 - Diffuser membrane and method of manufacture (2018-10-23),

5. 9796611 - Wastewater treatment system and method (2017-10-24),

6. 9795933 - Diffuser membrane and method of manufacture (2017-10-24),

7. 9598296 - Decanted bio-balanced reactor and method (2017-03-21),

8. 8931763 - Modular diffuser body and aeration system (2015-01-13),

9. 8758620 - Decanted bio-balanced reactor and method (2014-06-24),

10. 8246018 - Diffuser assembly with buoyancy vessel (2012-08-21),

11. 8172207 - Gas diffuser membrane with coated substrate (2012-05-08),

Company Overview

Environmental Dynamics International, Inc. is a company based in Columbia, MO, specializing in innovative solutions for environmental management and sustainability. The organization focuses on developing advanced technologies and products that enhance water quality, promote ecological balance, and support environmental restoration efforts. With a commitment to research and development, the company aims to address pressing environmental challenges through effective and sustainable practices, serving various sectors that prioritize ecological health.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#12 in Columbia, MO

#387 in Missouri

#27,514 in US

#51,761 in the World

Columbia, MO, United States of America

Environmental Dynamics International, Inc.

Forward Citations = 15

5 inventors:

Charles E Tharp (11 out of 35 patents)

Randall C Chann (3 out of 6 patents)

Warrick S Wadman (2 out of 2 patents)

4. David A Capron (2 out of 2 patents)

5. Randy K Hulsebus (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Environmental Dynamics International, Inc.. Retrieved from https://idiyas.com/company/environmental-dynamics-international

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]