Forward Citations = 156

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9 inventors (with patents filed for the assignee):

Felix E Spokoyny (5 out of 18 patents)

Henry V Krigmont (5 out of 25 patents)

Wayne R Kozacka (2 out of 6 patents)

4. Fred D Lang (1 out of 21 patents)

5. Everett L Coe, Jr (1 out of 10 patents)

6. Steven K Petrie (1 out of 1 patent)

7. Arnaldo G Dall'Era (1 out of 1 patent)

8. Po L Chien (1 out of 1 patent)

9. Barry A Whyte (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5327356 - Emissions spectral radiometer/fuel flow instrument (1994-07-05),

2. 5323842 - Temperature-stabilized heat exchanger (1994-06-28),

3. 5320052 - Catalytic sulfur trioxide flue gas conditioning (1994-06-14),

4. 5300270 - Hot-side electrostatic precipitator (1994-04-05),

5. 5237939 - Method and apparatus for reducing NOx emissions (1993-08-24),

6. 5233934 - Control of NOx reduction in flue gas flows (1993-08-10),

Company Overview

Wahlco Environmental Systems, Inc. provides air pollution control solutions for industrial and utility markets worldwide. With over 40 years of experience, Wahlco offers a comprehensive range of technologies and services that help customers meet emission regulations and improve environmental performance. Their solutions include SCR systems, ammonia injection systems, FGD systems, and more.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#80 in Santa Ana, CA

#10,570 in California

#44,981 in US

Santa Ana, CA, United States of America

Wahlco Environmental Systems, Inc.

Forward Citations = 156

9 inventors:

Felix E Spokoyny (5 out of 18 patents)

Henry V Krigmont (5 out of 25 patents)

Wayne R Kozacka (2 out of 6 patents)

4. Fred D Lang (1 out of 21 patents)

5. Everett L Coe, Jr (1 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Wahlco Environmental Systems, Inc.. Retrieved from https://idiyas.com/company/wahlco-environmental-systems

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]