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For the Inventor, By the Inventor

Vancouver, Canada

Ostara Nutrient Recovery Technologies Inc.


USPTO Granted Patents = 8



Trademarks = 7

Forward Citations = 9

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9 inventors (with patents filed for the assignee):

goldMedal Ahren Thomas Britton (5 out of 5 patents)

silverMedal Donald R Clark (4 out of 4 patents)

bronzeMedal Pierre Lucien Cote (3 out of 69 patents)

4.  Ram Prasad Melahalli Sathyanarayana (3 out of 3 patents)

5.  Rhonda Maria Hyslop (3 out of 3 patents)

6.  Dan Michael Froehlich (2 out of 3 patents)

7.  Ahren Britton (2 out of 4 patents)

8.  Keith E Bowers (1 out of 8 patents)

9.  Ram Prasad Melahalli Sathyanarayana (1 out of 1 patent)

10.  Robert James Baur (4 patents)

11.  Matt Kuzma (0 patent)

12.  Ram Prasad Sathyanarayana (0 patent)


8 patents:

1. 11919792 - Treatment of phosphate-containing wastewater with fluorosilicate and phosphate recovery (2024-03-05),
2. 11091368 - Methods and systems for recovering phosphorus from wastewater including digestate recycle (2021-08-17),
3. 10513470 - Slow and fast release fertilizer composition and methods for making same (2019-12-24),
4. 10486994 - Treatment of phosphate-containing wastewater (2019-11-26),
5. 10266433 - Reactor for precipitating solutes from wastewater and associated methods (2019-04-23),
6. 10196289 - Treatment of phosphate-containing wastewater (2019-02-05),
7. 9878960 - Slow and fast release fertilizer composition and methods for making same (2018-01-30),
8. 8999007 - Method for fines control (2015-04-07),
Company Overview
Ostara Nutrient Recovery Technologies Inc. is a leading provider of nutrient recovery solutions for municipalities and industrial facilities. Their innovative technology helps to remove phosphorus and nitrogen from wastewater, creating high-value, environmentally-friendly fertilizers. By recovering nutrients, Ostara helps to protect waterways from harmful pollution and supports sustainable agriculture practices.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#121 in Vancouver

#1,878 in Canada

Vancouver, CA
Vancouver, Canada

Ostara Nutrient Recovery Technologies Inc.

Forward Citations = 9

9 inventors:

goldMedal Ahren Thomas Britton (5 out of 5 patents)

silverMedal Donald R Clark (4 out of 4 patents)

bronzeMedal Pierre Lucien Cote (3 out of 69 patents)

4.  Ram Prasad Melahalli Sathyanarayana (3 out of 3 patents)

5.  Rhonda Maria Hyslop (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ostara Nutrient Recovery Technologies Inc.. Retrieved from https://idiyas.com/company/ostara-nutrient-recovery-technologies

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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