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For the Inventor, By the Inventor

Chesterfield, MO, United States of America

Mecs, Inc.


USPTO Granted Patents = 26

% Expired Patents = 11.5



Trademarks = 11

Forward Citations = 184

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20 inventors (with patents filed for the assignee):

goldMedal Ernesto Vera-Castaneda (6 out of 7 patents)

silverMedal Douglas E Azwell (6 out of 6 patents)

bronzeMedal Steven A Ziebold (6 out of 12 patents)

4.  Frederick L Mueller (4 out of 4 patents)

5.  Ernesto Vera-Castañeda (3 out of 3 patents)

6.  Katsuhiko Kato (3 out of 3 patents)

7.  Kazuo Kimata (3 out of 3 patents)

8.  Susumu Ishikawa (3 out of 3 patents)

9.  Lawrence F Paschke (2 out of 2 patents)

10.  Steven F Meyer (2 out of 2 patents)

11.  Fredrick L Mueller (2 out of 2 patents)

12.  John S Merz (2 out of 2 patents)

13.  Pierre L Eemans (2 out of 2 patents)

14.  Julie Marie Wagner (1 out of 1 patent)

15.  Julie M Bruemmer (1 out of 1 patent)


Core Competencies:
Sulfur Dioxide
Effluent Gases
Mist Eliminator
Energy Recovery
Sulfate Removal
Anion Exchange Resin
Fiber Bed Assembly
Ruthenium Oxide Catalysts
Combustion Process
Silicon Wafer
Clean Room
Pipe System

26 patents:

1. 11185812 - Regenerative recovery of sulfur dioxide from effluent gases (2021-11-30),
2. 10543453 - Removal of sulfate from solvent solutions using an anion exchange resin (2020-01-28),
3. 10384159 - Gas inlet system for wet gas scrubber (2019-08-20),
4. 10315149 - Gas inlet system for wet gas scrubber (2019-06-11),
5. 9884289 - Regenerative recovery of contaminants from effluent gases (2018-02-06),
6. 9278859 - Energy recovery in manufacture of sulfuric acid (2016-03-08),
7. 9266059 - Regenerative recovery of contaminants from effluent gases (2016-02-23),
8. 9162890 - Recovery of sulfur trioxide heat of absorption (2015-10-20),
9. 9005340 - Fiber bed assembly including a re-entrainment control device for a fiber bed mist eliminator (2015-04-14),
10. 8940258 - Regenerative recovery of contaminants from effluent gases (2015-01-27),
11. 8894965 - Energy recovery in manufacture of sulfuric acid (2014-11-25),
12. 8636819 - Fiber bed assembly for a fiber bed mist eliminator (2014-01-28),
13. 8632616 - Fiber bed assembly for a fiber bed mist eliminator (2014-01-21),
14. 8586001 - Energy recovery in manufacture of sulfuric acid (2013-11-19),
15. 8371617 - Expansion joint for pipe system (2013-02-12),
Company Overview
Mecs, Inc. is a technology-driven company based in Chesterfield, Missouri, specializing in advanced engineering solutions and innovative product development. The organization focuses on a range of sectors, including aerospace, defense, and industrial applications, leveraging cutting-edge technologies to enhance performance and efficiency. Mecs, Inc. is committed to delivering high-quality solutions that meet the evolving needs of its clients, emphasizing research and development to stay at the forefront of technological advancements.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Mecs, Inc. USPTO Patent Assignee Logo
26 Patents

#6 in Chesterfield, MO

#184 in Missouri

#12,865 in US

#24,826 in the World

Chesterfield, MO (US)
Chesterfield, MO, United States of America

Mecs, Inc.

Forward Citations = 184

20 inventors:

goldMedal Ernesto Vera-Castaneda (6 out of 7 patents)

silverMedal Douglas E Azwell (6 out of 6 patents)

bronzeMedal Steven A Ziebold (6 out of 12 patents)

4.  Frederick L Mueller (4 out of 4 patents)

5.  Ernesto Vera-Castañeda (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mecs, Inc.. Retrieved from https://idiyas.com/company/mecs

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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