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For the Inventor, By the Inventor

St. Louis, MO, United States of America

Heartland Technology Partners LLC


USPTO Granted Patents = 35

% Expired Patents = 40.0



Trademarks = 1

Forward Citations = 435

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6 inventors (with patents filed for the assignee):

goldMedal Bernard F Duesel, Jr (34 out of 43 patents)

silverMedal Michael J Rutsch (28 out of 36 patents)

bronzeMedal Craig Clerkin (22 out of 27 patents)

4.  David L Fenton (2 out of 3 patents)

5.  Benjamin N Laurent (1 out of 2 patents)

6.  Robert F Irwin, Iv (1 out of 1 patent)

7.  Bernard F Duesel (0 patent)

8.  Jr Duesel Bernard F (0 patent)


Core Competencies:
Wastewater Treatment
Desalination System
Compact Concentrator
Pollutant Scrubber
Fluid Evaporator
Waste Heat Recovery
Condensation Plume Mitigation
Air Stripper
Liquid Concentrator
Gas Induction Bustle
Multi-Stage Treatment
Greenhouse Gas Reduction

35 patents:

1. 12172101 - Harmful substance removal system and method (2024-12-24),
2. 10947435 - Apparatus for concentrating wastewater and for creating brines (2021-03-16),
3. 10946301 - Compact wastewater concentrator using waste heat (2021-03-16),
4. 10597573 - Apparatus for concentrating wastewater and for creating brines (2020-03-24),
5. 10596481 - Compact wastewater concentrator using waste heat (2020-03-24),
6. 10179297 - Compact wastewater concentrator using waste heat (2019-01-15),
7. 10005678 - Method of cleaning a compact wastewater concentrator (2018-06-26),
8. 9943774 - Fluid evaporator for an open fluid reservoir (2018-04-17),
9. 9738545 - Method and device for concentrating dissolved solids in flowback and produced water from natural gas wells (2017-08-22),
10. 9617168 - Compact wastewater concentrator using waste heat (2017-04-11),
11. 9366479 - Condensation plume mitigation system for exhaust stacks (2016-06-14),
12. 9296624 - Portable compact wastewater concentrator (2016-03-29),
13. 9199861 - Wastewater processing systems for power plants and other industrial sources (2015-12-01),
14. 9156711 - Air stripper (2015-10-13),
15. 8833738 - Desalination system (2014-09-16),
Company Overview
Heartland Technology Partners LLC, based in St. Louis, MO, specializes in developing innovative technology solutions across various sectors. The company focuses on enhancing operational efficiencies and driving advancements in software applications, particularly in the realms of cloud computing and data analytics. With a commitment to fostering technological growth, Heartland collaborates with businesses to implement cutting-edge solutions that address complex challenges and improve overall performance in a competitive landscape.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

35 Patents

#69 in St. Louis, MO

#128 in Missouri

#9,749 in US

#19,168 in the World

St. Louis, MO (US)
St. Louis, MO, United States of America

Heartland Technology Partners LLC

Forward Citations = 435

6 inventors:

goldMedal Bernard F Duesel, Jr (34 out of 43 patents)

silverMedal Michael J Rutsch (28 out of 36 patents)

bronzeMedal Craig Clerkin (22 out of 27 patents)

4.  David L Fenton (2 out of 3 patents)

5.  Benjamin N Laurent (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Heartland Technology Partners LLC. Retrieved from https://idiyas.com/company/heartland-technology-partners

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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