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For the Inventor, By the Inventor

Calgary, Canada

Alter Nrg Corp.


USPTO Granted Patents = 10

% Expired Patents = 20.0



Forward Citations = 1

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13 inventors (with patents filed for the assignee):

goldMedal Aleksandr Gorodetsky (10 out of 12 patents)

silverMedal James Santoianni (9 out of 9 patents)

bronzeMedal Surendra Chavda (5 out of 5 patents)

4.  Kent Olis Hicks (5 out of 5 patents)

5.  Michael Erskine Heier (2 out of 2 patents)

6.  Stephanie Reese (2 out of 2 patents)

7.  Sureshkumar Kukadiya (2 out of 2 patents)

8.  Pieter Van Nierop (2 out of 2 patents)

9.  Shyam Vasant Dighe (1 out of 20 patents)

10.  Mark F Darr (1 out of 3 patents)

11.  Ivan A Martorell (1 out of 5 patents)

12.  Richard Dale Bower (1 out of 3 patents)

13.  Aleksandre Kokourine (1 out of 1 patent)

14.  Gowri Krishnamurthy (24 patents)

15.  Christine Peck Kretz (5 patents)


10 patents:

1. 9669248 - Process and apparatus for treatment of incinerator bottom ash and fly ash (2017-06-06),
2. 9656915 - Plasma gasification reactors with modified carbon beds and reduced coke requirements (2017-05-23),
3. 9574770 - Start-up torch (2017-02-21),
4. 9540579 - Process for producing syngas using plasma gasifiers (2017-01-10),
5. 9468787 - Process and apparatus for treatment of incinerator bottom ash and fly ash (2016-10-18),
6. 9314655 - Process and apparatus for treatment of incinerator bottom ash and fly ash (2016-04-19),
7. 9222038 - Plasma gasification reactor (2015-12-29),
8. 9222026 - Plasma gasification reactors with modified carbon beds and reduced coke requirements (2015-12-29),
9. 9095829 - Plasma fired feed nozzle (2015-08-04),
10. 9005320 - Enhanced plasma gasifiers for producing syngas (2015-04-14),
Company Overview
Alter Nrg Corp. is a Calgary-based company specializing in advanced energy solutions, focusing on the development and commercialization of technologies for converting waste into clean energy. The organization is dedicated to addressing global energy challenges through innovative processes that enhance sustainability. With a commitment to environmental stewardship, Alter Nrg leverages its expertise in gasification and renewable energy to contribute to a cleaner future, positioning itself as a key player in the renewable energy sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

10 Patents

#107 in Calgary

#1,523 in Canada

#55,986 in the World

Calgary, CA
Calgary, Canada

Alter Nrg Corp.

Forward Citations = 1

13 inventors:

goldMedal Aleksandr Gorodetsky (10 out of 12 patents)

silverMedal James Santoianni (9 out of 9 patents)

bronzeMedal Surendra Chavda (5 out of 5 patents)

4.  Kent Olis Hicks (5 out of 5 patents)

5.  Michael Erskine Heier (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Alter Nrg Corp.. Retrieved from https://idiyas.com/company/alter-nrg

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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