Forward Citations = 503

Loading Chart...

4 inventors (with patents filed for the assignee):

John P Nicholson (4 out of 6 patents)

Jeffrey C Burnham (3 out of 9 patents)

Richard A Ahlbeck (1 out of 1 patent)

4. William A Kneller (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 5275733 - Process to stabilize wastewater sludge (1994-01-04),

2. 5135664 - Method for treating wastewater sludge (1992-08-04),

3. 4902431 - Method for treating wastewater sludge (1990-02-20),

4. 4781842 - Method of treating wastewater sludge (1988-11-01),

5. 4554002 - Beneficiating waste sludges for agricultural use and product made thereby (1985-11-19),

6. 4432800 - Beneficiating kiln dusts utilized in pozzolanic reactions (1984-02-21),

7. 4341562 - Lightweight aggregate (1982-07-27),

Company Overview

N-Viro Energy Systems Ltd. is a leading provider of innovative waste-to-energy solutions. With a focus on sustainability and renewable energy, we transform organic waste materials into clean energy sources. Our patented technologies and processes help reduce greenhouse gas emissions and promote a circular economy. Contact us today to learn more about our cutting-edge solutions for a greener future.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#49 in Toledo, OH

#1,573 in Ohio

#39,929 in US

Toledo, OH, United States of America

N-Viro Energy Systems Ltd.

Forward Citations = 503

4 inventors:

John P Nicholson (4 out of 6 patents)

Jeffrey C Burnham (3 out of 9 patents)

Richard A Ahlbeck (1 out of 1 patent)

4. William A Kneller (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: N-Viro Energy Systems Ltd.. Retrieved from https://idiyas.com/company/n-viro-energy-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]